Home / 12,260,411.40-18,392,143.86-4,172,765.52

Finding the Fourth Proportional to 12,260,411.40, 18,392,143.86 and 4,172,765.52

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Solution

The fourth proportional to 12,260,411.40, 18,392,143.86 and 4,172,765.52 is: 6,259,667.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,260,411.40 : 18,392,143.86 = 4,172,765.52 : x
  2. Step 2: Convert to fraction form
    12,260,411.40/18,392,143.86 = 4,172,765.52/x
  3. Step 3: Cross multiply
    12,260,411.40x = 18,392,143.86 × 4,172,765.52
  4. Step 4: Simplify right side
    12,260,411.40x = 76,746,103,737,887.70
  5. Step 5: Solve for x
    x = 76,746,103,737,887.70/12,260,411.40
  6. Step 6: Final answer
    x = 6,259,667.90

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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.