Home / 19,932,086.20-29,898,129.30-19,743,129.40

Finding the Fourth Proportional to 19,932,086.20, 29,898,129.30 and 19,743,129.40

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Solution

The fourth proportional to 19,932,086.20, 29,898,129.30 and 19,743,129.40 is: 29,614,694.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,932,086.20 : 29,898,129.30 = 19,743,129.40 : x
  2. Step 2: Convert to fraction form
    19,932,086.20/29,898,129.30 = 19,743,129.40/x
  3. Step 3: Cross multiply
    19,932,086.20x = 29,898,129.30 × 19,743,129.40
  4. Step 4: Simplify right side
    19,932,086.20x = 590,282,635,587,831.38
  5. Step 5: Solve for x
    x = 590,282,635,587,831.38/19,932,086.20
  6. Step 6: Final answer
    x = 29,614,694.10

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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.