Home / 9,131,229.12-12,600,646.64-5,001,278.58

Finding the Fourth Proportional to 9,131,229.12, 12,600,646.64 and 5,001,278.58

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Solution

The fourth proportional to 9,131,229.12, 12,600,646.64 and 5,001,278.58 is: 6,901,518.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,131,229.12 : 12,600,646.64 = 5,001,278.58 : x
  2. Step 2: Convert to fraction form
    9,131,229.12/12,600,646.64 = 5,001,278.58/x
  3. Step 3: Cross multiply
    9,131,229.12x = 12,600,646.64 × 5,001,278.58
  4. Step 4: Simplify right side
    9,131,229.12x = 63,019,344,128,529.38
  5. Step 5: Solve for x
    x = 63,019,344,128,529.38/9,131,229.12
  6. Step 6: Final answer
    x = 6,901,518.22

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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.