Home / 7,165,350.31-9,888,115.40-3,902,219.50

Finding the Fourth Proportional to 7,165,350.31, 9,888,115.40 and 3,902,219.50

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Solution

The fourth proportional to 7,165,350.31, 9,888,115.40 and 3,902,219.50 is: 5,385,025.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,165,350.31 : 9,888,115.40 = 3,902,219.50 : x
  2. Step 2: Convert to fraction form
    7,165,350.31/9,888,115.40 = 3,902,219.50/x
  3. Step 3: Cross multiply
    7,165,350.31x = 9,888,115.40 × 3,902,219.50
  4. Step 4: Simplify right side
    7,165,350.31x = 38,585,596,712,619.20
  5. Step 5: Solve for x
    x = 38,585,596,712,619.20/7,165,350.31
  6. Step 6: Final answer
    x = 5,385,025.86

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.