Home / 9,139,249.52-12,611,949.72-5,064,781.04

Finding the Fourth Proportional to 9,139,249.52, 12,611,949.72 and 5,064,781.04

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Solution

The fourth proportional to 9,139,249.52, 12,611,949.72 and 5,064,781.04 is: 6,989,278.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,139,249.52 : 12,611,949.72 = 5,064,781.04 : x
  2. Step 2: Convert to fraction form
    9,139,249.52/12,611,949.72 = 5,064,781.04/x
  3. Step 3: Cross multiply
    9,139,249.52x = 12,611,949.72 × 5,064,781.04
  4. Step 4: Simplify right side
    9,139,249.52x = 63,876,763,819,289.31
  5. Step 5: Solve for x
    x = 63,876,763,819,289.31/9,139,249.52
  6. Step 6: Final answer
    x = 6,989,278.90

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1.5x scale

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.