Home / 9,719,480.64-13,412,819.52-5,368,847.52

Finding the Fourth Proportional to 9,719,480.64, 13,412,819.52 and 5,368,847.52

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Solution

The fourth proportional to 9,719,480.64, 13,412,819.52 and 5,368,847.52 is: 7,408,974.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,719,480.64 : 13,412,819.52 = 5,368,847.52 : x
  2. Step 2: Convert to fraction form
    9,719,480.64/13,412,819.52 = 5,368,847.52/x
  3. Step 3: Cross multiply
    9,719,480.64x = 13,412,819.52 × 5,368,847.52
  4. Step 4: Simplify right side
    9,719,480.64x = 72,011,382,816,159.58
  5. Step 5: Solve for x
    x = 72,011,382,816,159.58/9,719,480.64
  6. Step 6: Final answer
    x = 7,408,974.36

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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.