Home / 28,501,694.09-39,332,422.03-15,449,004.91

Finding the Fourth Proportional to 28,501,694.09, 39,332,422.03 and 15,449,004.91

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Solution

The fourth proportional to 28,501,694.09, 39,332,422.03 and 15,449,004.91 is: 21,319,672.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,501,694.09 : 39,332,422.03 = 15,449,004.91 : x
  2. Step 2: Convert to fraction form
    28,501,694.09/39,332,422.03 = 15,449,004.91/x
  3. Step 3: Cross multiply
    28,501,694.09x = 39,332,422.03 × 15,449,004.91
  4. Step 4: Simplify right side
    28,501,694.09x = 607,646,780,925,354.38
  5. Step 5: Solve for x
    x = 607,646,780,925,354.38/28,501,694.09
  6. Step 6: Final answer
    x = 21,319,672.40

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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.