Home / 18,753,090.80-28,192,621.80-15,981,724.40

Finding the Fourth Proportional to 18,753,090.80, 28,192,621.80 and 15,981,724.40

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Solution

The fourth proportional to 18,753,090.80, 28,192,621.80 and 15,981,724.40 is: 24,026,264.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,753,090.80 : 28,192,621.80 = 15,981,724.40 : x
  2. Step 2: Convert to fraction form
    18,753,090.80/28,192,621.80 = 15,981,724.40/x
  3. Step 3: Cross multiply
    18,753,090.80x = 28,192,621.80 × 15,981,724.40
  4. Step 4: Simplify right side
    18,753,090.80x = 450,566,711,721,031.94
  5. Step 5: Solve for x
    x = 450,566,711,721,031.94/18,753,090.80
  6. Step 6: Final answer
    x = 24,026,264.07

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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.