Home / 20,966,275.47-31,448,230.29-9,291,284.43

Finding the Fourth Proportional to 20,966,275.47, 31,448,230.29 and 9,291,284.43

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Solution

The fourth proportional to 20,966,275.47, 31,448,230.29 and 9,291,284.43 is: 13,936,402.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,966,275.47 : 31,448,230.29 = 9,291,284.43 : x
  2. Step 2: Convert to fraction form
    20,966,275.47/31,448,230.29 = 9,291,284.43/x
  3. Step 3: Cross multiply
    20,966,275.47x = 31,448,230.29 × 9,291,284.43
  4. Step 4: Simplify right side
    20,966,275.47x = 292,194,452,326,600.50
  5. Step 5: Solve for x
    x = 292,194,452,326,600.50/20,966,275.47
  6. Step 6: Final answer
    x = 13,936,402.42

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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.