Home / 20,516,932.48-28,313,387.04-11,350,194.88

Finding the Fourth Proportional to 20,516,932.48, 28,313,387.04 and 11,350,194.88

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Solution

The fourth proportional to 20,516,932.48, 28,313,387.04 and 11,350,194.88 is: 15,663,280.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,516,932.48 : 28,313,387.04 = 11,350,194.88 : x
  2. Step 2: Convert to fraction form
    20,516,932.48/28,313,387.04 = 11,350,194.88/x
  3. Step 3: Cross multiply
    20,516,932.48x = 28,313,387.04 × 11,350,194.88
  4. Step 4: Simplify right side
    20,516,932.48x = 321,362,460,616,866.38
  5. Step 5: Solve for x
    x = 321,362,460,616,866.38/20,516,932.48
  6. Step 6: Final answer
    x = 15,663,280.12

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1.5x scale

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.