Home / 25,856,433.90-38,766,936.15-12,216,114.90

Finding the Fourth Proportional to 25,856,433.90, 38,766,936.15 and 12,216,114.90

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Solution

The fourth proportional to 25,856,433.90, 38,766,936.15 and 12,216,114.90 is: 18,315,802.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,856,433.90 : 38,766,936.15 = 12,216,114.90 : x
  2. Step 2: Convert to fraction form
    25,856,433.90/38,766,936.15 = 12,216,114.90/x
  3. Step 3: Cross multiply
    25,856,433.90x = 38,766,936.15 × 12,216,114.90
  4. Step 4: Simplify right side
    25,856,433.90x = 473,581,346,329,363.62
  5. Step 5: Solve for x
    x = 473,581,346,329,363.62/25,856,433.90
  6. Step 6: Final answer
    x = 18,315,802.87

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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.