Home / 21,230,147.40-31,797,981.90-17,451,011.40

Finding the Fourth Proportional to 21,230,147.40, 31,797,981.90 and 17,451,011.40

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Solution

The fourth proportional to 21,230,147.40, 31,797,981.90 and 17,451,011.40 is: 26,137,686.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,230,147.40 : 31,797,981.90 = 17,451,011.40 : x
  2. Step 2: Convert to fraction form
    21,230,147.40/31,797,981.90 = 17,451,011.40/x
  3. Step 3: Cross multiply
    21,230,147.40x = 31,797,981.90 × 17,451,011.40
  4. Step 4: Simplify right side
    21,230,147.40x = 554,906,944,633,893.56
  5. Step 5: Solve for x
    x = 554,906,944,633,893.56/21,230,147.40
  6. Step 6: Final answer
    x = 26,137,686.86

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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.