Home / 8,510,809.28-11,744,903.40-4,643,330.78

Finding the Fourth Proportional to 8,510,809.28, 11,744,903.40 and 4,643,330.78

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Solution

The fourth proportional to 8,510,809.28, 11,744,903.40 and 4,643,330.78 is: 6,407,789.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,510,809.28 : 11,744,903.40 = 4,643,330.78 : x
  2. Step 2: Convert to fraction form
    8,510,809.28/11,744,903.40 = 4,643,330.78/x
  3. Step 3: Cross multiply
    8,510,809.28x = 11,744,903.40 × 4,643,330.78
  4. Step 4: Simplify right side
    8,510,809.28x = 54,535,471,465,346.66
  5. Step 5: Solve for x
    x = 54,535,471,465,346.66/8,510,809.28
  6. Step 6: Final answer
    x = 6,407,789.16

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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.