Home / 8,784,149.46-12,122,122.95-4,916,669.61

Finding the Fourth Proportional to 8,784,149.46, 12,122,122.95 and 4,916,669.61

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Solution

The fourth proportional to 8,784,149.46, 12,122,122.95 and 4,916,669.61 is: 6,785,002.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,784,149.46 : 12,122,122.95 = 4,916,669.61 : x
  2. Step 2: Convert to fraction form
    8,784,149.46/12,122,122.95 = 4,916,669.61/x
  3. Step 3: Cross multiply
    8,784,149.46x = 12,122,122.95 × 4,916,669.61
  4. Step 4: Simplify right side
    8,784,149.46x = 59,600,473,516,948.55
  5. Step 5: Solve for x
    x = 59,600,473,516,948.55/8,784,149.46
  6. Step 6: Final answer
    x = 6,785,002.21

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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.