Home / 7,758,902.40-11,637,635.52-3,659,283.48

Finding the Fourth Proportional to 7,758,902.40, 11,637,635.52 and 3,659,283.48

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Solution

The fourth proportional to 7,758,902.40, 11,637,635.52 and 3,659,283.48 is: 5,488,586.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,758,902.40 : 11,637,635.52 = 3,659,283.48 : x
  2. Step 2: Convert to fraction form
    7,758,902.40/11,637,635.52 = 3,659,283.48/x
  3. Step 3: Cross multiply
    7,758,902.40x = 11,637,635.52 × 3,659,283.48
  4. Step 4: Simplify right side
    7,758,902.40x = 42,585,407,404,597.21
  5. Step 5: Solve for x
    x = 42,585,407,404,597.21/7,758,902.40
  6. Step 6: Final answer
    x = 5,488,586.56

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.