Home / 15,808,520.20-23,712,780.30-12,221,293.45

Finding the Fourth Proportional to 15,808,520.20, 23,712,780.30 and 12,221,293.45

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Solution

The fourth proportional to 15,808,520.20, 23,712,780.30 and 12,221,293.45 is: 18,331,940.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,808,520.20 : 23,712,780.30 = 12,221,293.45 : x
  2. Step 2: Convert to fraction form
    15,808,520.20/23,712,780.30 = 12,221,293.45/x
  3. Step 3: Cross multiply
    15,808,520.20x = 23,712,780.30 × 12,221,293.45
  4. Step 4: Simplify right side
    15,808,520.20x = 289,800,846,561,679
  5. Step 5: Solve for x
    x = 289,800,846,561,679/15,808,520.20
  6. Step 6: Final answer
    x = 18,331,940.18

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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.