Home / 15,808,519.20-23,712,778.80-12,221,292.45

Finding the Fourth Proportional to 15,808,519.20, 23,712,778.80 and 12,221,292.45

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Solution

The fourth proportional to 15,808,519.20, 23,712,778.80 and 12,221,292.45 is: 18,331,938.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,808,519.20 : 23,712,778.80 = 12,221,292.45 : x
  2. Step 2: Convert to fraction form
    15,808,519.20/23,712,778.80 = 12,221,292.45/x
  3. Step 3: Cross multiply
    15,808,519.20x = 23,712,778.80 × 12,221,292.45
  4. Step 4: Simplify right side
    15,808,519.20x = 289,800,804,516,960.06
  5. Step 5: Solve for x
    x = 289,800,804,516,960.06/15,808,519.20
  6. Step 6: Final answer
    x = 18,331,938.68

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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.