Home / 7,528,687.52-10,389,654.60-4,090,928.54

Finding the Fourth Proportional to 7,528,687.52, 10,389,654.60 and 4,090,928.54

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Solution

The fourth proportional to 7,528,687.52, 10,389,654.60 and 4,090,928.54 is: 5,645,517.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,528,687.52 : 10,389,654.60 = 4,090,928.54 : x
  2. Step 2: Convert to fraction form
    7,528,687.52/10,389,654.60 = 4,090,928.54/x
  3. Step 3: Cross multiply
    7,528,687.52x = 10,389,654.60 × 4,090,928.54
  4. Step 4: Simplify right side
    7,528,687.52x = 42,503,334,523,882.28
  5. Step 5: Solve for x
    x = 42,503,334,523,882.28/7,528,687.52
  6. Step 6: Final answer
    x = 5,645,517.15

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.