Home / 9,642,815.24-13,306,205.49-5,721,895.70

Finding the Fourth Proportional to 9,642,815.24, 13,306,205.49 and 5,721,895.70

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Solution

The fourth proportional to 9,642,815.24, 13,306,205.49 and 5,721,895.70 is: 7,895,694.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,642,815.24 : 13,306,205.49 = 5,721,895.70 : x
  2. Step 2: Convert to fraction form
    9,642,815.24/13,306,205.49 = 5,721,895.70/x
  3. Step 3: Cross multiply
    9,642,815.24x = 13,306,205.49 × 5,721,895.70
  4. Step 4: Simplify right side
    9,642,815.24x = 76,136,719,976,547.39
  5. Step 5: Solve for x
    x = 76,136,719,976,547.39/9,642,815.24
  6. Step 6: Final answer
    x = 7,895,694.16

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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.