Home / 8,514,633.60-12,781,281.60-5,323,363.20

Finding the Fourth Proportional to 8,514,633.60, 12,781,281.60 and 5,323,363.20

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Solution

The fourth proportional to 8,514,633.60, 12,781,281.60 and 5,323,363.20 is: 7,990,878.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,514,633.60 : 12,781,281.60 = 5,323,363.20 : x
  2. Step 2: Convert to fraction form
    8,514,633.60/12,781,281.60 = 5,323,363.20/x
  3. Step 3: Cross multiply
    8,514,633.60x = 12,781,281.60 × 5,323,363.20
  4. Step 4: Simplify right side
    8,514,633.60x = 68,039,404,118,277.12
  5. Step 5: Solve for x
    x = 68,039,404,118,277.12/8,514,633.60
  6. Step 6: Final answer
    x = 7,990,878.68

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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.