Home / 8,500,010.90-12,748,770.68-4,180,901.78

Finding the Fourth Proportional to 8,500,010.90, 12,748,770.68 and 4,180,901.78

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Solution

The fourth proportional to 8,500,010.90, 12,748,770.68 and 4,180,901.78 is: 6,270,739.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,500,010.90 : 12,748,770.68 = 4,180,901.78 : x
  2. Step 2: Convert to fraction form
    8,500,010.90/12,748,770.68 = 4,180,901.78/x
  3. Step 3: Cross multiply
    8,500,010.90x = 12,748,770.68 × 4,180,901.78
  4. Step 4: Simplify right side
    8,500,010.90x = 53,301,357,965,079.95
  5. Step 5: Solve for x
    x = 53,301,357,965,079.95/8,500,010.90
  6. Step 6: Final answer
    x = 6,270,739.96

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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.