Home / 7,980,901.92-11,976,122.16-2,932,722.72

Finding the Fourth Proportional to 7,980,901.92, 11,976,122.16 and 2,932,722.72

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Solution

The fourth proportional to 7,980,901.92, 11,976,122.16 and 2,932,722.72 is: 4,400,836.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,980,901.92 : 11,976,122.16 = 2,932,722.72 : x
  2. Step 2: Convert to fraction form
    7,980,901.92/11,976,122.16 = 2,932,722.72/x
  3. Step 3: Cross multiply
    7,980,901.92x = 11,976,122.16 × 2,932,722.72
  4. Step 4: Simplify right side
    7,980,901.92x = 35,122,645,556,127.48
  5. Step 5: Solve for x
    x = 35,122,645,556,127.48/7,980,901.92
  6. Step 6: Final answer
    x = 4,400,836.64

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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.