Home / 6,520,901.70-9,781,352.55-5,007,497.70

Finding the Fourth Proportional to 6,520,901.70, 9,781,352.55 and 5,007,497.70

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Solution

The fourth proportional to 6,520,901.70, 9,781,352.55 and 5,007,497.70 is: 7,511,246.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,520,901.70 : 9,781,352.55 = 5,007,497.70 : x
  2. Step 2: Convert to fraction form
    6,520,901.70/9,781,352.55 = 5,007,497.70/x
  3. Step 3: Cross multiply
    6,520,901.70x = 9,781,352.55 × 5,007,497.70
  4. Step 4: Simplify right side
    6,520,901.70x = 48,980,100,397,014.14
  5. Step 5: Solve for x
    x = 48,980,100,397,014.14/6,520,901.70
  6. Step 6: Final answer
    x = 7,511,246.55

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Double scale
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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.