Home / 7,951,322.28-11,925,563.70-2,115,541.50

Finding the Fourth Proportional to 7,951,322.28, 11,925,563.70 and 2,115,541.50

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Solution

The fourth proportional to 7,951,322.28, 11,925,563.70 and 2,115,541.50 is: 3,172,934.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,951,322.28 : 11,925,563.70 = 2,115,541.50 : x
  2. Step 2: Convert to fraction form
    7,951,322.28/11,925,563.70 = 2,115,541.50/x
  3. Step 3: Cross multiply
    7,951,322.28x = 11,925,563.70 × 2,115,541.50
  4. Step 4: Simplify right side
    7,951,322.28x = 25,229,024,918,243.55
  5. Step 5: Solve for x
    x = 25,229,024,918,243.55/7,951,322.28
  6. Step 6: Final answer
    x = 3,172,934.52

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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.