Home / 7,487,417.20-11,231,125.80-7,193,484.40

Finding the Fourth Proportional to 7,487,417.20, 11,231,125.80 and 7,193,484.40

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Solution

The fourth proportional to 7,487,417.20, 11,231,125.80 and 7,193,484.40 is: 10,790,226.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,487,417.20 : 11,231,125.80 = 7,193,484.40 : x
  2. Step 2: Convert to fraction form
    7,487,417.20/11,231,125.80 = 7,193,484.40/x
  3. Step 3: Cross multiply
    7,487,417.20x = 11,231,125.80 × 7,193,484.40
  4. Step 4: Simplify right side
    7,487,417.20x = 80,790,928,236,737.53
  5. Step 5: Solve for x
    x = 80,790,928,236,737.53/7,487,417.20
  6. Step 6: Final answer
    x = 10,790,226.60

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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.