Home / 8,057,428.20-12,100,139.10-4,278,292.20

Finding the Fourth Proportional to 8,057,428.20, 12,100,139.10 and 4,278,292.20

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Solution

The fourth proportional to 8,057,428.20, 12,100,139.10 and 4,278,292.20 is: 6,424,870.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,057,428.20 : 12,100,139.10 = 4,278,292.20 : x
  2. Step 2: Convert to fraction form
    8,057,428.20/12,100,139.10 = 4,278,292.20/x
  3. Step 3: Cross multiply
    8,057,428.20x = 12,100,139.10 × 4,278,292.20
  4. Step 4: Simplify right side
    8,057,428.20x = 51,767,930,730,445.02
  5. Step 5: Solve for x
    x = 51,767,930,730,445.02/8,057,428.20
  6. Step 6: Final answer
    x = 6,424,870.25

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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.