Home / 15,689,148.52-21,644,799.06-9,072,514.36

Finding the Fourth Proportional to 15,689,148.52, 21,644,799.06 and 9,072,514.36

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Solution

The fourth proportional to 15,689,148.52, 21,644,799.06 and 9,072,514.36 is: 12,516,469.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,689,148.52 : 21,644,799.06 = 9,072,514.36 : x
  2. Step 2: Convert to fraction form
    15,689,148.52/21,644,799.06 = 9,072,514.36/x
  3. Step 3: Cross multiply
    15,689,148.52x = 21,644,799.06 × 9,072,514.36
  4. Step 4: Simplify right side
    15,689,148.52x = 196,372,750,291,164.47
  5. Step 5: Solve for x
    x = 196,372,750,291,164.47/15,689,148.52
  6. Step 6: Final answer
    x = 12,516,469.59

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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.