Home / 9,988,879.68-13,784,677.92-5,405,250.24

Finding the Fourth Proportional to 9,988,879.68, 13,784,677.92 and 5,405,250.24

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Solution

The fourth proportional to 9,988,879.68, 13,784,677.92 and 5,405,250.24 is: 7,459,258.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,988,879.68 : 13,784,677.92 = 5,405,250.24 : x
  2. Step 2: Convert to fraction form
    9,988,879.68/13,784,677.92 = 5,405,250.24/x
  3. Step 3: Cross multiply
    9,988,879.68x = 13,784,677.92 × 5,405,250.24
  4. Step 4: Simplify right side
    9,988,879.68x = 74,509,633,635,402.70
  5. Step 5: Solve for x
    x = 74,509,633,635,402.70/9,988,879.68
  6. Step 6: Final answer
    x = 7,459,258.30

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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.