Home / 27,861,827.88-38,450,284.44-15,472,128.72

Finding the Fourth Proportional to 27,861,827.88, 38,450,284.44 and 15,472,128.72

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Solution

The fourth proportional to 27,861,827.88, 38,450,284.44 and 15,472,128.72 is: 21,352,071.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,861,827.88 : 38,450,284.44 = 15,472,128.72 : x
  2. Step 2: Convert to fraction form
    27,861,827.88/38,450,284.44 = 15,472,128.72/x
  3. Step 3: Cross multiply
    27,861,827.88x = 38,450,284.44 × 15,472,128.72
  4. Step 4: Simplify right side
    27,861,827.88x = 594,907,750,176,293.12
  5. Step 5: Solve for x
    x = 594,907,750,176,293.12/27,861,827.88
  6. Step 6: Final answer
    x = 21,352,071.83

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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.