Home / 12,127,630.80-18,191,446.20-5,750,338.80

Finding the Fourth Proportional to 12,127,630.80, 18,191,446.20 and 5,750,338.80

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Solution

The fourth proportional to 12,127,630.80, 18,191,446.20 and 5,750,338.80 is: 8,625,508.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,127,630.80 : 18,191,446.20 = 5,750,338.80 : x
  2. Step 2: Convert to fraction form
    12,127,630.80/18,191,446.20 = 5,750,338.80/x
  3. Step 3: Cross multiply
    12,127,630.80x = 18,191,446.20 × 5,750,338.80
  4. Step 4: Simplify right side
    12,127,630.80x = 104,606,978,911,972.55
  5. Step 5: Solve for x
    x = 104,606,978,911,972.55/12,127,630.80
  6. Step 6: Final answer
    x = 8,625,508.20

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1.5x scale

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.