Home / 8,569,143.36-12,853,659.56-2,179,340.51

Finding the Fourth Proportional to 8,569,143.36, 12,853,659.56 and 2,179,340.51

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Solution

The fourth proportional to 8,569,143.36, 12,853,659.56 and 2,179,340.51 is: 3,268,996.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,569,143.36 : 12,853,659.56 = 2,179,340.51 : x
  2. Step 2: Convert to fraction form
    8,569,143.36/12,853,659.56 = 2,179,340.51/x
  3. Step 3: Cross multiply
    8,569,143.36x = 12,853,659.56 × 2,179,340.51
  4. Step 4: Simplify right side
    8,569,143.36x = 28,012,500,905,691.77
  5. Step 5: Solve for x
    x = 28,012,500,905,691.77/8,569,143.36
  6. Step 6: Final answer
    x = 3,268,996.65

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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.