Home / 8,938,689.45-12,335,344.77-4,864,337.61

Finding the Fourth Proportional to 8,938,689.45, 12,335,344.77 and 4,864,337.61

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Solution

The fourth proportional to 8,938,689.45, 12,335,344.77 and 4,864,337.61 is: 6,712,760.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,938,689.45 : 12,335,344.77 = 4,864,337.61 : x
  2. Step 2: Convert to fraction form
    8,938,689.45/12,335,344.77 = 4,864,337.61/x
  3. Step 3: Cross multiply
    8,938,689.45x = 12,335,344.77 × 4,864,337.61
  4. Step 4: Simplify right side
    8,938,689.45x = 60,003,281,497,027.80
  5. Step 5: Solve for x
    x = 60,003,281,497,027.80/8,938,689.45
  6. Step 6: Final answer
    x = 6,712,760.50

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1.5x scale

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.