Home / 8,176,329.20-12,264,493.80-5,153,020.40

Finding the Fourth Proportional to 8,176,329.20, 12,264,493.80 and 5,153,020.40

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Solution

The fourth proportional to 8,176,329.20, 12,264,493.80 and 5,153,020.40 is: 7,729,530.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,176,329.20 : 12,264,493.80 = 5,153,020.40 : x
  2. Step 2: Convert to fraction form
    8,176,329.20/12,264,493.80 = 5,153,020.40/x
  3. Step 3: Cross multiply
    8,176,329.20x = 12,264,493.80 × 5,153,020.40
  4. Step 4: Simplify right side
    8,176,329.20x = 63,199,186,747,073.53
  5. Step 5: Solve for x
    x = 63,199,186,747,073.53/8,176,329.20
  6. Step 6: Final answer
    x = 7,729,530.60

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Similar ratio
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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.