Home / 9,929,987.75-13,703,806.43-5,579,082.47

Finding the Fourth Proportional to 9,929,987.75, 13,703,806.43 and 5,579,082.47

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Solution

The fourth proportional to 9,929,987.75, 13,703,806.43 and 5,579,082.47 is: 7,699,371.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,929,987.75 : 13,703,806.43 = 5,579,082.47 : x
  2. Step 2: Convert to fraction form
    9,929,987.75/13,703,806.43 = 5,579,082.47/x
  3. Step 3: Cross multiply
    9,929,987.75x = 13,703,806.43 × 5,579,082.47
  4. Step 4: Simplify right side
    9,929,987.75x = 76,454,666,197,990.88
  5. Step 5: Solve for x
    x = 76,454,666,197,990.88/9,929,987.75
  6. Step 6: Final answer
    x = 7,699,371.65

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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.