Home / 9,268,871.24-12,791,799.78-5,140,195.40

Finding the Fourth Proportional to 9,268,871.24, 12,791,799.78 and 5,140,195.40

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Solution

The fourth proportional to 9,268,871.24, 12,791,799.78 and 5,140,195.40 is: 7,093,889.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,268,871.24 : 12,791,799.78 = 5,140,195.40 : x
  2. Step 2: Convert to fraction form
    9,268,871.24/12,791,799.78 = 5,140,195.40/x
  3. Step 3: Cross multiply
    9,268,871.24x = 12,791,799.78 × 5,140,195.40
  4. Step 4: Simplify right side
    9,268,871.24x = 65,752,350,386,877.02
  5. Step 5: Solve for x
    x = 65,752,350,386,877.02/9,268,871.24
  6. Step 6: Final answer
    x = 7,093,889.72

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.