Home / 8,938,689.70-12,335,345.11-4,864,337.86

Finding the Fourth Proportional to 8,938,689.70, 12,335,345.11 and 4,864,337.86

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Solution

The fourth proportional to 8,938,689.70, 12,335,345.11 and 4,864,337.86 is: 6,712,760.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,938,689.70 : 12,335,345.11 = 4,864,337.86 : x
  2. Step 2: Convert to fraction form
    8,938,689.70/12,335,345.11 = 4,864,337.86/x
  3. Step 3: Cross multiply
    8,938,689.70x = 12,335,345.11 × 4,864,337.86
  4. Step 4: Simplify right side
    8,938,689.70x = 60,003,286,234,738.87
  5. Step 5: Solve for x
    x = 60,003,286,234,738.87/8,938,689.70
  6. Step 6: Final answer
    x = 6,712,760.85

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.