Home / 6,474,515.60-9,711,773.40-5,277,789.20

Finding the Fourth Proportional to 6,474,515.60, 9,711,773.40 and 5,277,789.20

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Solution

The fourth proportional to 6,474,515.60, 9,711,773.40 and 5,277,789.20 is: 7,916,683.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,474,515.60 : 9,711,773.40 = 5,277,789.20 : x
  2. Step 2: Convert to fraction form
    6,474,515.60/9,711,773.40 = 5,277,789.20/x
  3. Step 3: Cross multiply
    6,474,515.60x = 9,711,773.40 × 5,277,789.20
  4. Step 4: Simplify right side
    6,474,515.60x = 51,256,692,763,367.28
  5. Step 5: Solve for x
    x = 51,256,692,763,367.28/6,474,515.60
  6. Step 6: Final answer
    x = 7,916,683.80

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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.