Home / 30,980,685.24-42,754,399.02-17,042,654.52

Finding the Fourth Proportional to 30,980,685.24, 42,754,399.02 and 17,042,654.52

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Solution

The fourth proportional to 30,980,685.24, 42,754,399.02 and 17,042,654.52 is: 23,519,442.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,980,685.24 : 42,754,399.02 = 17,042,654.52 : x
  2. Step 2: Convert to fraction form
    30,980,685.24/42,754,399.02 = 17,042,654.52/x
  3. Step 3: Cross multiply
    30,980,685.24x = 42,754,399.02 × 17,042,654.52
  4. Step 4: Simplify right side
    30,980,685.24x = 728,648,451,708,086.62
  5. Step 5: Solve for x
    x = 728,648,451,708,086.62/30,980,685.24
  6. Step 6: Final answer
    x = 23,519,442.71

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.