Home / 8,514,401.60-12,780,933.60-5,323,131.20

Finding the Fourth Proportional to 8,514,401.60, 12,780,933.60 and 5,323,131.20

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Solution

The fourth proportional to 8,514,401.60, 12,780,933.60 and 5,323,131.20 is: 7,990,530.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,514,401.60 : 12,780,933.60 = 5,323,131.20 : x
  2. Step 2: Convert to fraction form
    8,514,401.60/12,780,933.60 = 5,323,131.20/x
  3. Step 3: Cross multiply
    8,514,401.60x = 12,780,933.60 × 5,323,131.20
  4. Step 4: Simplify right side
    8,514,401.60x = 68,034,586,411,288.32
  5. Step 5: Solve for x
    x = 68,034,586,411,288.32/8,514,401.60
  6. Step 6: Final answer
    x = 7,990,530.59

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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.