Home / 40,139,680.92-60,204,385.34-12,843,690.18

Finding the Fourth Proportional to 40,139,680.92, 60,204,385.34 and 12,843,690.18

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Solution

The fourth proportional to 40,139,680.92, 60,204,385.34 and 12,843,690.18 is: 19,263,891.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,139,680.92 : 60,204,385.34 = 12,843,690.18 : x
  2. Step 2: Convert to fraction form
    40,139,680.92/60,204,385.34 = 12,843,690.18/x
  3. Step 3: Cross multiply
    40,139,680.92x = 60,204,385.34 × 12,843,690.18
  4. Step 4: Simplify right side
    40,139,680.92x = 773,246,472,720,075.50
  5. Step 5: Solve for x
    x = 773,246,472,720,075.50/40,139,680.92
  6. Step 6: Final answer
    x = 19,263,891.86

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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.