Home / 6,915,041.60-10,372,562.40-5,235,425.60

Finding the Fourth Proportional to 6,915,041.60, 10,372,562.40 and 5,235,425.60

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Solution

The fourth proportional to 6,915,041.60, 10,372,562.40 and 5,235,425.60 is: 7,853,138.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,915,041.60 : 10,372,562.40 = 5,235,425.60 : x
  2. Step 2: Convert to fraction form
    6,915,041.60/10,372,562.40 = 5,235,425.60/x
  3. Step 3: Cross multiply
    6,915,041.60x = 10,372,562.40 × 5,235,425.60
  4. Step 4: Simplify right side
    6,915,041.60x = 54,304,778,726,557.44
  5. Step 5: Solve for x
    x = 54,304,778,726,557.44/6,915,041.60
  6. Step 6: Final answer
    x = 7,853,138.40

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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.