Home / 7,115,732.89-9,819,592.43-3,852,521.12

Finding the Fourth Proportional to 7,115,732.89, 9,819,592.43 and 3,852,521.12

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Solution

The fourth proportional to 7,115,732.89, 9,819,592.43 and 3,852,521.12 is: 5,316,414.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,115,732.89 : 9,819,592.43 = 3,852,521.12 : x
  2. Step 2: Convert to fraction form
    7,115,732.89/9,819,592.43 = 3,852,521.12/x
  3. Step 3: Cross multiply
    7,115,732.89x = 9,819,592.43 × 3,852,521.12
  4. Step 4: Simplify right side
    7,115,732.89x = 37,830,187,231,653.50
  5. Step 5: Solve for x
    x = 37,830,187,231,653.50/7,115,732.89
  6. Step 6: Final answer
    x = 5,316,414.74

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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.