Home / 27,719,785.36-38,253,557.64-15,329,238.58

Finding the Fourth Proportional to 27,719,785.36, 38,253,557.64 and 15,329,238.58

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Solution

The fourth proportional to 27,719,785.36, 38,253,557.64 and 15,329,238.58 is: 21,154,489.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,719,785.36 : 38,253,557.64 = 15,329,238.58 : x
  2. Step 2: Convert to fraction form
    27,719,785.36/38,253,557.64 = 15,329,238.58/x
  3. Step 3: Cross multiply
    27,719,785.36x = 38,253,557.64 × 15,329,238.58
  4. Step 4: Simplify right side
    27,719,785.36x = 586,397,911,597,341.75
  5. Step 5: Solve for x
    x = 586,397,911,597,341.75/27,719,785.36
  6. Step 6: Final answer
    x = 21,154,489.62

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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.