Home / 8,532,458.80-12,798,688.20-5,662,677.40

Finding the Fourth Proportional to 8,532,458.80, 12,798,688.20 and 5,662,677.40

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Solution

The fourth proportional to 8,532,458.80, 12,798,688.20 and 5,662,677.40 is: 8,494,016.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,532,458.80 : 12,798,688.20 = 5,662,677.40 : x
  2. Step 2: Convert to fraction form
    8,532,458.80/12,798,688.20 = 5,662,677.40/x
  3. Step 3: Cross multiply
    8,532,458.80x = 12,798,688.20 × 5,662,677.40
  4. Step 4: Simplify right side
    8,532,458.80x = 72,474,842,419,786.69
  5. Step 5: Solve for x
    x = 72,474,842,419,786.69/8,532,458.80
  6. Step 6: Final answer
    x = 8,494,016.10

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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.