Home / 7,721,218.65-11,581,915.46-2,329,921.02

Finding the Fourth Proportional to 7,721,218.65, 11,581,915.46 and 2,329,921.02

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Solution

The fourth proportional to 7,721,218.65, 11,581,915.46 and 2,329,921.02 is: 3,494,907.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,721,218.65 : 11,581,915.46 = 2,329,921.02 : x
  2. Step 2: Convert to fraction form
    7,721,218.65/11,581,915.46 = 2,329,921.02/x
  3. Step 3: Cross multiply
    7,721,218.65x = 11,581,915.46 × 2,329,921.02
  4. Step 4: Simplify right side
    7,721,218.65x = 26,984,948,282,116.97
  5. Step 5: Solve for x
    x = 26,984,948,282,116.97/7,721,218.65
  6. Step 6: Final answer
    x = 3,494,907.93

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.