Home / 12,791,312.24-17,652,241.68-6,990,338.48

Finding the Fourth Proportional to 12,791,312.24, 17,652,241.68 and 6,990,338.48

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Solution

The fourth proportional to 12,791,312.24, 17,652,241.68 and 6,990,338.48 is: 9,646,793.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,791,312.24 : 17,652,241.68 = 6,990,338.48 : x
  2. Step 2: Convert to fraction form
    12,791,312.24/17,652,241.68 = 6,990,338.48/x
  3. Step 3: Cross multiply
    12,791,312.24x = 17,652,241.68 × 6,990,338.48
  4. Step 4: Simplify right side
    12,791,312.24x = 123,395,144,273,963.86
  5. Step 5: Solve for x
    x = 123,395,144,273,963.86/12,791,312.24
  6. Step 6: Final answer
    x = 9,646,793.23

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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.