Home / 19,725,978.66-27,222,691.25-11,024,151.02

Finding the Fourth Proportional to 19,725,978.66, 27,222,691.25 and 11,024,151.02

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Solution

The fourth proportional to 19,725,978.66, 27,222,691.25 and 11,024,151.02 is: 15,213,798.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,725,978.66 : 27,222,691.25 = 11,024,151.02 : x
  2. Step 2: Convert to fraction form
    19,725,978.66/27,222,691.25 = 11,024,151.02/x
  3. Step 3: Cross multiply
    19,725,978.66x = 27,222,691.25 × 11,024,151.02
  4. Step 4: Simplify right side
    19,725,978.66x = 300,107,059,319,598.38
  5. Step 5: Solve for x
    x = 300,107,059,319,598.38/19,725,978.66
  6. Step 6: Final answer
    x = 15,213,798.23

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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.