Home / 8,209,913.10-12,316,874.16-5,785,794.78

Finding the Fourth Proportional to 8,209,913.10, 12,316,874.16 and 5,785,794.78

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Solution

The fourth proportional to 8,209,913.10, 12,316,874.16 and 5,785,794.78 is: 8,680,104.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,209,913.10 : 12,316,874.16 = 5,785,794.78 : x
  2. Step 2: Convert to fraction form
    8,209,913.10/12,316,874.16 = 5,785,794.78/x
  3. Step 3: Cross multiply
    8,209,913.10x = 12,316,874.16 × 5,785,794.78
  4. Step 4: Simplify right side
    8,209,913.10x = 71,262,906,220,844.89
  5. Step 5: Solve for x
    x = 71,262,906,220,844.89/8,209,913.10
  6. Step 6: Final answer
    x = 8,680,104.81

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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.