Home / 6,649,528.20-9,974,292.32-5,135,419.62

Finding the Fourth Proportional to 6,649,528.20, 9,974,292.32 and 5,135,419.62

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Solution

The fourth proportional to 6,649,528.20, 9,974,292.32 and 5,135,419.62 is: 7,703,129.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,649,528.20 : 9,974,292.32 = 5,135,419.62 : x
  2. Step 2: Convert to fraction form
    6,649,528.20/9,974,292.32 = 5,135,419.62/x
  3. Step 3: Cross multiply
    6,649,528.20x = 9,974,292.32 × 5,135,419.62
  4. Step 4: Simplify right side
    6,649,528.20x = 51,222,176,475,743.32
  5. Step 5: Solve for x
    x = 51,222,176,475,743.32/6,649,528.20
  6. Step 6: Final answer
    x = 7,703,129.45

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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.