Home / 20,604,450.30-30,906,675.45-5,251,710.30

Finding the Fourth Proportional to 20,604,450.30, 30,906,675.45 and 5,251,710.30

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Solution

The fourth proportional to 20,604,450.30, 30,906,675.45 and 5,251,710.30 is: 7,877,565.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,604,450.30 : 30,906,675.45 = 5,251,710.30 : x
  2. Step 2: Convert to fraction form
    20,604,450.30/30,906,675.45 = 5,251,710.30/x
  3. Step 3: Cross multiply
    20,604,450.30x = 30,906,675.45 × 5,251,710.30
  4. Step 4: Simplify right side
    20,604,450.30x = 162,312,905,799,522.12
  5. Step 5: Solve for x
    x = 162,312,905,799,522.12/20,604,450.30
  6. Step 6: Final answer
    x = 7,877,565.45

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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.