Home / 10,542,465.60-15,813,698.40-6,287,438.40

Finding the Fourth Proportional to 10,542,465.60, 15,813,698.40 and 6,287,438.40

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Solution

The fourth proportional to 10,542,465.60, 15,813,698.40 and 6,287,438.40 is: 9,431,157.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,542,465.60 : 15,813,698.40 = 6,287,438.40 : x
  2. Step 2: Convert to fraction form
    10,542,465.60/15,813,698.40 = 6,287,438.40/x
  3. Step 3: Cross multiply
    10,542,465.60x = 15,813,698.40 × 6,287,438.40
  4. Step 4: Simplify right side
    10,542,465.60x = 99,427,654,566,178.56
  5. Step 5: Solve for x
    x = 99,427,654,566,178.56/10,542,465.60
  6. Step 6: Final answer
    x = 9,431,157.60

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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.