Home / 42,732,186.76-64,053,490.38-15,788,657.80

Finding the Fourth Proportional to 42,732,186.76, 64,053,490.38 and 15,788,657.80

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Solution

The fourth proportional to 42,732,186.76, 64,053,490.38 and 15,788,657.80 is: 23,666,437.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,732,186.76 : 64,053,490.38 = 15,788,657.80 : x
  2. Step 2: Convert to fraction form
    42,732,186.76/64,053,490.38 = 15,788,657.80/x
  3. Step 3: Cross multiply
    42,732,186.76x = 64,053,490.38 × 15,788,657.80
  4. Step 4: Simplify right side
    42,732,186.76x = 1,011,318,640,505,412
  5. Step 5: Solve for x
    x = 1,011,318,640,505,412/42,732,186.76
  6. Step 6: Final answer
    x = 23,666,437.81

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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.