Home / 10,515,997.80-15,773,996.70-10,374,280.20

Finding the Fourth Proportional to 10,515,997.80, 15,773,996.70 and 10,374,280.20

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Solution

The fourth proportional to 10,515,997.80, 15,773,996.70 and 10,374,280.20 is: 15,561,420.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,515,997.80 : 15,773,996.70 = 10,374,280.20 : x
  2. Step 2: Convert to fraction form
    10,515,997.80/15,773,996.70 = 10,374,280.20/x
  3. Step 3: Cross multiply
    10,515,997.80x = 15,773,996.70 × 10,374,280.20
  4. Step 4: Simplify right side
    10,515,997.80x = 163,643,861,639,675.31
  5. Step 5: Solve for x
    x = 163,643,861,639,675.31/10,515,997.80
  6. Step 6: Final answer
    x = 15,561,420.30

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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.