Home / 10,608,607.40-15,912,911.10-8,482,843.40

Finding the Fourth Proportional to 10,608,607.40, 15,912,911.10 and 8,482,843.40

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Solution

The fourth proportional to 10,608,607.40, 15,912,911.10 and 8,482,843.40 is: 12,724,265.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,608,607.40 : 15,912,911.10 = 8,482,843.40 : x
  2. Step 2: Convert to fraction form
    10,608,607.40/15,912,911.10 = 8,482,843.40/x
  3. Step 3: Cross multiply
    10,608,607.40x = 15,912,911.10 × 8,482,843.40
  4. Step 4: Simplify right side
    10,608,607.40x = 134,986,732,899,421.75
  5. Step 5: Solve for x
    x = 134,986,732,899,421.75/10,608,607.40
  6. Step 6: Final answer
    x = 12,724,265.10

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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.