Home / 9,252,002.80-13,878,004.20-8,338,711.60

Finding the Fourth Proportional to 9,252,002.80, 13,878,004.20 and 8,338,711.60

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Solution

The fourth proportional to 9,252,002.80, 13,878,004.20 and 8,338,711.60 is: 12,508,067.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,252,002.80 : 13,878,004.20 = 8,338,711.60 : x
  2. Step 2: Convert to fraction form
    9,252,002.80/13,878,004.20 = 8,338,711.60/x
  3. Step 3: Cross multiply
    9,252,002.80x = 13,878,004.20 × 8,338,711.60
  4. Step 4: Simplify right side
    9,252,002.80x = 115,724,674,607,388.70
  5. Step 5: Solve for x
    x = 115,724,674,607,388.70/9,252,002.80
  6. Step 6: Final answer
    x = 12,508,067.40

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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.