Home / 27,665,688.20-38,179,256.60-15,275,748.17

Finding the Fourth Proportional to 27,665,688.20, 38,179,256.60 and 15,275,748.17

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Solution

The fourth proportional to 27,665,688.20, 38,179,256.60 and 15,275,748.17 is: 21,080,867.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,665,688.20 : 38,179,256.60 = 15,275,748.17 : x
  2. Step 2: Convert to fraction form
    27,665,688.20/38,179,256.60 = 15,275,748.17/x
  3. Step 3: Cross multiply
    27,665,688.20x = 38,179,256.60 × 15,275,748.17
  4. Step 4: Simplify right side
    27,665,688.20x = 583,216,708,872,135.38
  5. Step 5: Solve for x
    x = 583,216,708,872,135.38/27,665,688.20
  6. Step 6: Final answer
    x = 21,080,867.56

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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.