Home / 21,781,265.40-32,624,658.90-18,002,129.40

Finding the Fourth Proportional to 21,781,265.40, 32,624,658.90 and 18,002,129.40

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Solution

The fourth proportional to 21,781,265.40, 32,624,658.90 and 18,002,129.40 is: 26,964,151.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,781,265.40 : 32,624,658.90 = 18,002,129.40 : x
  2. Step 2: Convert to fraction form
    21,781,265.40/32,624,658.90 = 18,002,129.40/x
  3. Step 3: Cross multiply
    21,781,265.40x = 32,624,658.90 × 18,002,129.40
  4. Step 4: Simplify right side
    21,781,265.40x = 587,313,331,148,661.62
  5. Step 5: Solve for x
    x = 587,313,331,148,661.62/21,781,265.40
  6. Step 6: Final answer
    x = 26,964,151.09

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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.