Home / 8,701,609.80-13,052,414.70-5,300,387.40

Finding the Fourth Proportional to 8,701,609.80, 13,052,414.70 and 5,300,387.40

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Solution

The fourth proportional to 8,701,609.80, 13,052,414.70 and 5,300,387.40 is: 7,950,581.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,701,609.80 : 13,052,414.70 = 5,300,387.40 : x
  2. Step 2: Convert to fraction form
    8,701,609.80/13,052,414.70 = 5,300,387.40/x
  3. Step 3: Cross multiply
    8,701,609.80x = 13,052,414.70 × 5,300,387.40
  4. Step 4: Simplify right side
    8,701,609.80x = 69,182,854,415,454.78
  5. Step 5: Solve for x
    x = 69,182,854,415,454.78/8,701,609.80
  6. Step 6: Final answer
    x = 7,950,581.10

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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.