Home / 20,288,167.42-27,981,345.95-17,835,534.40

Finding the Fourth Proportional to 20,288,167.42, 27,981,345.95 and 17,835,534.40

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Solution

The fourth proportional to 20,288,167.42, 27,981,345.95 and 17,835,534.40 is: 24,598,685.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,288,167.42 : 27,981,345.95 = 17,835,534.40 : x
  2. Step 2: Convert to fraction form
    20,288,167.42/27,981,345.95 = 17,835,534.40/x
  3. Step 3: Cross multiply
    20,288,167.42x = 27,981,345.95 × 17,835,534.40
  4. Step 4: Simplify right side
    20,288,167.42x = 499,062,258,249,525.62
  5. Step 5: Solve for x
    x = 499,062,258,249,525.62/20,288,167.42
  6. Step 6: Final answer
    x = 24,598,685.92

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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.