Home / 13,017,452.76-17,964,084.42-7,216,219.80

Finding the Fourth Proportional to 13,017,452.76, 17,964,084.42 and 7,216,219.80

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Solution

The fourth proportional to 13,017,452.76, 17,964,084.42 and 7,216,219.80 is: 9,958,383.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,017,452.76 : 17,964,084.42 = 7,216,219.80 : x
  2. Step 2: Convert to fraction form
    13,017,452.76/17,964,084.42 = 7,216,219.80/x
  3. Step 3: Cross multiply
    13,017,452.76x = 17,964,084.42 × 7,216,219.80
  4. Step 4: Simplify right side
    13,017,452.76x = 129,632,781,680,475.53
  5. Step 5: Solve for x
    x = 129,632,781,680,475.53/13,017,452.76
  6. Step 6: Final answer
    x = 9,958,383.11

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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.