Home / 21,909,148.37-32,866,712.43-9,126,663.71

Finding the Fourth Proportional to 21,909,148.37, 32,866,712.43 and 9,126,663.71

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Solution

The fourth proportional to 21,909,148.37, 32,866,712.43 and 9,126,663.71 is: 13,691,241.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,909,148.37 : 32,866,712.43 = 9,126,663.71 : x
  2. Step 2: Convert to fraction form
    21,909,148.37/32,866,712.43 = 9,126,663.71/x
  3. Step 3: Cross multiply
    21,909,148.37x = 32,866,712.43 × 9,126,663.71
  4. Step 4: Simplify right side
    21,909,148.37x = 299,963,431,437,553.38
  5. Step 5: Solve for x
    x = 299,963,431,437,553.38/21,909,148.37
  6. Step 6: Final answer
    x = 13,691,241.05

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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.