Home / 39,865,612.20-59,798,418.30-19,710,220.20

Finding the Fourth Proportional to 39,865,612.20, 59,798,418.30 and 19,710,220.20

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Solution

The fourth proportional to 39,865,612.20, 59,798,418.30 and 19,710,220.20 is: 29,565,330.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,865,612.20 : 59,798,418.30 = 19,710,220.20 : x
  2. Step 2: Convert to fraction form
    39,865,612.20/59,798,418.30 = 19,710,220.20/x
  3. Step 3: Cross multiply
    39,865,612.20x = 59,798,418.30 × 19,710,220.20
  4. Step 4: Simplify right side
    39,865,612.20x = 1,178,639,992,304,709.50
  5. Step 5: Solve for x
    x = 1,178,639,992,304,709.50/39,865,612.20
  6. Step 6: Final answer
    x = 29,565,330.30

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.