Home / 8,697,963.20-13,022,061.60-5,338,731.20

Finding the Fourth Proportional to 8,697,963.20, 13,022,061.60 and 5,338,731.20

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Solution

The fourth proportional to 8,697,963.20, 13,022,061.60 and 5,338,731.20 is: 7,992,823.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,697,963.20 : 13,022,061.60 = 5,338,731.20 : x
  2. Step 2: Convert to fraction form
    8,697,963.20/13,022,061.60 = 5,338,731.20/x
  3. Step 3: Cross multiply
    8,697,963.20x = 13,022,061.60 × 5,338,731.20
  4. Step 4: Simplify right side
    8,697,963.20x = 69,521,286,552,241.92
  5. Step 5: Solve for x
    x = 69,521,286,552,241.92/8,697,963.20
  6. Step 6: Final answer
    x = 7,992,823.72

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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.