Home / 30,304,635.80-45,456,953.70-11,149,140.20

Finding the Fourth Proportional to 30,304,635.80, 45,456,953.70 and 11,149,140.20

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Solution

The fourth proportional to 30,304,635.80, 45,456,953.70 and 11,149,140.20 is: 16,723,710.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,304,635.80 : 45,456,953.70 = 11,149,140.20 : x
  2. Step 2: Convert to fraction form
    30,304,635.80/45,456,953.70 = 11,149,140.20/x
  3. Step 3: Cross multiply
    30,304,635.80x = 45,456,953.70 × 11,149,140.20
  4. Step 4: Simplify right side
    30,304,635.80x = 506,805,949,866,208.75
  5. Step 5: Solve for x
    x = 506,805,949,866,208.75/30,304,635.80
  6. Step 6: Final answer
    x = 16,723,710.30

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Double scale
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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.