Home / 7,185,813.32-9,914,067.42-5,121,154.10

Finding the Fourth Proportional to 7,185,813.32, 9,914,067.42 and 5,121,154.10

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Solution

The fourth proportional to 7,185,813.32, 9,914,067.42 and 5,121,154.10 is: 7,065,514.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,185,813.32 : 9,914,067.42 = 5,121,154.10 : x
  2. Step 2: Convert to fraction form
    7,185,813.32/9,914,067.42 = 5,121,154.10/x
  3. Step 3: Cross multiply
    7,185,813.32x = 9,914,067.42 × 5,121,154.10
  4. Step 4: Simplify right side
    7,185,813.32x = 50,771,467,015,609.41
  5. Step 5: Solve for x
    x = 50,771,467,015,609.41/7,185,813.32
  6. Step 6: Final answer
    x = 7,065,514.33

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Double scale
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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.