Home / 7,115,540.90-9,819,525.66-3,852,426.74

Finding the Fourth Proportional to 7,115,540.90, 9,819,525.66 and 3,852,426.74

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Solution

The fourth proportional to 7,115,540.90, 9,819,525.66 and 3,852,426.74 is: 5,316,391.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,115,540.90 : 9,819,525.66 = 3,852,426.74 : x
  2. Step 2: Convert to fraction form
    7,115,540.90/9,819,525.66 = 3,852,426.74/x
  3. Step 3: Cross multiply
    7,115,540.90x = 9,819,525.66 × 3,852,426.74
  4. Step 4: Simplify right side
    7,115,540.90x = 37,829,003,226,700.15
  5. Step 5: Solve for x
    x = 37,829,003,226,700.15/7,115,540.90
  6. Step 6: Final answer
    x = 5,316,391.79

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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.