Home / 6,915,043.60-10,372,565.40-5,235,427.60

Finding the Fourth Proportional to 6,915,043.60, 10,372,565.40 and 5,235,427.60

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Solution

The fourth proportional to 6,915,043.60, 10,372,565.40 and 5,235,427.60 is: 7,853,141.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,915,043.60 : 10,372,565.40 = 5,235,427.60 : x
  2. Step 2: Convert to fraction form
    6,915,043.60/10,372,565.40 = 5,235,427.60/x
  3. Step 3: Cross multiply
    6,915,043.60x = 10,372,565.40 × 5,235,427.60
  4. Step 4: Simplify right side
    6,915,043.60x = 54,304,815,177,965.04
  5. Step 5: Solve for x
    x = 54,304,815,177,965.04/6,915,043.60
  6. Step 6: Final answer
    x = 7,853,141.40

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Similar ratio
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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.