Home / 9,929,428.79-13,703,993.03-5,578,851.83

Finding the Fourth Proportional to 9,929,428.79, 13,703,993.03 and 5,578,851.83

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Solution

The fourth proportional to 9,929,428.79, 13,703,993.03 and 5,578,851.83 is: 7,699,591.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,929,428.79 : 13,703,993.03 = 5,578,851.83 : x
  2. Step 2: Convert to fraction form
    9,929,428.79/13,703,993.03 = 5,578,851.83/x
  3. Step 3: Cross multiply
    9,929,428.79x = 13,703,993.03 × 5,578,851.83
  4. Step 4: Simplify right side
    9,929,428.79x = 76,452,546,539,149.92
  5. Step 5: Solve for x
    x = 76,452,546,539,149.92/9,929,428.79
  6. Step 6: Final answer
    x = 7,699,591.61

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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.