Home / 8,690,280.40-13,047,862.20-4,911,144.40

Finding the Fourth Proportional to 8,690,280.40, 13,047,862.20 and 4,911,144.40

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Solution

The fourth proportional to 8,690,280.40, 13,047,862.20 and 4,911,144.40 is: 7,373,747.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,690,280.40 : 13,047,862.20 = 4,911,144.40 : x
  2. Step 2: Convert to fraction form
    8,690,280.40/13,047,862.20 = 4,911,144.40/x
  3. Step 3: Cross multiply
    8,690,280.40x = 13,047,862.20 × 4,911,144.40
  4. Step 4: Simplify right side
    8,690,280.40x = 64,079,935,375,501.68
  5. Step 5: Solve for x
    x = 64,079,935,375,501.68/8,690,280.40
  6. Step 6: Final answer
    x = 7,373,747.73

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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.