Home / 7,268,538.60-10,902,807.90-7,128,570.60

Finding the Fourth Proportional to 7,268,538.60, 10,902,807.90 and 7,128,570.60

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Solution

The fourth proportional to 7,268,538.60, 10,902,807.90 and 7,128,570.60 is: 10,692,855.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,268,538.60 : 10,902,807.90 = 7,128,570.60 : x
  2. Step 2: Convert to fraction form
    7,268,538.60/10,902,807.90 = 7,128,570.60/x
  3. Step 3: Cross multiply
    7,268,538.60x = 10,902,807.90 × 7,128,570.60
  4. Step 4: Simplify right side
    7,268,538.60x = 77,721,435,853,387.73
  5. Step 5: Solve for x
    x = 77,721,435,853,387.73/7,268,538.60
  6. Step 6: Final answer
    x = 10,692,855.90

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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.