Home / 19,521,047.20-29,281,570.80-9,955,109.20

Finding the Fourth Proportional to 19,521,047.20, 29,281,570.80 and 9,955,109.20

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Solution

The fourth proportional to 19,521,047.20, 29,281,570.80 and 9,955,109.20 is: 14,932,663.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,521,047.20 : 29,281,570.80 = 9,955,109.20 : x
  2. Step 2: Convert to fraction form
    19,521,047.20/29,281,570.80 = 9,955,109.20/x
  3. Step 3: Cross multiply
    19,521,047.20x = 29,281,570.80 × 9,955,109.20
  4. Step 4: Simplify right side
    19,521,047.20x = 291,501,234,861,531.38
  5. Step 5: Solve for x
    x = 291,501,234,861,531.38/19,521,047.20
  6. Step 6: Final answer
    x = 14,932,663.80

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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.