Home / 10,502,958.40-15,754,437.60-9,681,812.80

Finding the Fourth Proportional to 10,502,958.40, 15,754,437.60 and 9,681,812.80

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Solution

The fourth proportional to 10,502,958.40, 15,754,437.60 and 9,681,812.80 is: 14,522,719.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,502,958.40 : 15,754,437.60 = 9,681,812.80 : x
  2. Step 2: Convert to fraction form
    10,502,958.40/15,754,437.60 = 9,681,812.80/x
  3. Step 3: Cross multiply
    10,502,958.40x = 15,754,437.60 × 9,681,812.80
  4. Step 4: Simplify right side
    10,502,958.40x = 152,531,515,612,481.28
  5. Step 5: Solve for x
    x = 152,531,515,612,481.28/10,502,958.40
  6. Step 6: Final answer
    x = 14,522,719.20

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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.