Home / 9,929,013.16-13,703,419.48-5,578,435.92

Finding the Fourth Proportional to 9,929,013.16, 13,703,419.48 and 5,578,435.92

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Solution

The fourth proportional to 9,929,013.16, 13,703,419.48 and 5,578,435.92 is: 7,699,017.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,929,013.16 : 13,703,419.48 = 5,578,435.92 : x
  2. Step 2: Convert to fraction form
    9,929,013.16/13,703,419.48 = 5,578,435.92/x
  3. Step 3: Cross multiply
    9,929,013.16x = 13,703,419.48 × 5,578,435.92
  4. Step 4: Simplify right side
    9,929,013.16x = 76,443,647,454,059.72
  5. Step 5: Solve for x
    x = 76,443,647,454,059.72/9,929,013.16
  6. Step 6: Final answer
    x = 7,699,017.64

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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.