Home / 7,165,351.31-9,888,116.77-3,902,220.50

Finding the Fourth Proportional to 7,165,351.31, 9,888,116.77 and 3,902,220.50

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Solution

The fourth proportional to 7,165,351.31, 9,888,116.77 and 3,902,220.50 is: 5,385,027.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,165,351.31 : 9,888,116.77 = 3,902,220.50 : x
  2. Step 2: Convert to fraction form
    7,165,351.31/9,888,116.77 = 3,902,220.50/x
  3. Step 3: Cross multiply
    7,165,351.31x = 9,888,116.77 × 3,902,220.50
  4. Step 4: Simplify right side
    7,165,351.31x = 38,585,611,966,287.78
  5. Step 5: Solve for x
    x = 38,585,611,966,287.78/7,165,351.31
  6. Step 6: Final answer
    x = 5,385,027.24

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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.