Home / 10,342,622.52-15,513,933.78-5,291,177.40

Finding the Fourth Proportional to 10,342,622.52, 15,513,933.78 and 5,291,177.40

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Solution

The fourth proportional to 10,342,622.52, 15,513,933.78 and 5,291,177.40 is: 7,936,766.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,342,622.52 : 15,513,933.78 = 5,291,177.40 : x
  2. Step 2: Convert to fraction form
    10,342,622.52/15,513,933.78 = 5,291,177.40/x
  3. Step 3: Cross multiply
    10,342,622.52x = 15,513,933.78 × 5,291,177.40
  4. Step 4: Simplify right side
    10,342,622.52x = 82,086,975,801,832.58
  5. Step 5: Solve for x
    x = 82,086,975,801,832.58/10,342,622.52
  6. Step 6: Final answer
    x = 7,936,766.10

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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.