Home / 10,253,948.80-15,380,923.20-8,586,774.40

Finding the Fourth Proportional to 10,253,948.80, 15,380,923.20 and 8,586,774.40

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Solution

The fourth proportional to 10,253,948.80, 15,380,923.20 and 8,586,774.40 is: 12,880,161.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,253,948.80 : 15,380,923.20 = 8,586,774.40 : x
  2. Step 2: Convert to fraction form
    10,253,948.80/15,380,923.20 = 8,586,774.40/x
  3. Step 3: Cross multiply
    10,253,948.80x = 15,380,923.20 × 8,586,774.40
  4. Step 4: Simplify right side
    10,253,948.80x = 132,072,517,582,126.08
  5. Step 5: Solve for x
    x = 132,072,517,582,126.08/10,253,948.80
  6. Step 6: Final answer
    x = 12,880,161.60

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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.