Home / 8,785,617.80-13,164,429.90-6,518,136.20

Finding the Fourth Proportional to 8,785,617.80, 13,164,429.90 and 6,518,136.20

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Solution

The fourth proportional to 8,785,617.80, 13,164,429.90 and 6,518,136.20 is: 9,766,819.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,785,617.80 : 13,164,429.90 = 6,518,136.20 : x
  2. Step 2: Convert to fraction form
    8,785,617.80/13,164,429.90 = 6,518,136.20/x
  3. Step 3: Cross multiply
    8,785,617.80x = 13,164,429.90 × 6,518,136.20
  4. Step 4: Simplify right side
    8,785,617.80x = 85,807,547,083,552.39
  5. Step 5: Solve for x
    x = 85,807,547,083,552.39/8,785,617.80
  6. Step 6: Final answer
    x = 9,766,819.94

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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.