Home / 7,410,902.40-11,117,390.40-3,151,036.80

Finding the Fourth Proportional to 7,410,902.40, 11,117,390.40 and 3,151,036.80

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Solution

The fourth proportional to 7,410,902.40, 11,117,390.40 and 3,151,036.80 is: 4,726,996.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,410,902.40 : 11,117,390.40 = 3,151,036.80 : x
  2. Step 2: Convert to fraction form
    7,410,902.40/11,117,390.40 = 3,151,036.80/x
  3. Step 3: Cross multiply
    7,410,902.40x = 11,117,390.40 × 3,151,036.80
  4. Step 4: Simplify right side
    7,410,902.40x = 35,031,306,270,366.72
  5. Step 5: Solve for x
    x = 35,031,306,270,366.72/7,410,902.40
  6. Step 6: Final answer
    x = 4,726,996.04

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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.