Home / 10,279,277.56-15,418,951.02-2,602,918.72

Finding the Fourth Proportional to 10,279,277.56, 15,418,951.02 and 2,602,918.72

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Solution

The fourth proportional to 10,279,277.56, 15,418,951.02 and 2,602,918.72 is: 3,904,386.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,279,277.56 : 15,418,951.02 = 2,602,918.72 : x
  2. Step 2: Convert to fraction form
    10,279,277.56/15,418,951.02 = 2,602,918.72/x
  3. Step 3: Cross multiply
    10,279,277.56x = 15,418,951.02 × 2,602,918.72
  4. Step 4: Simplify right side
    10,279,277.56x = 40,134,276,252,721.09
  5. Step 5: Solve for x
    x = 40,134,276,252,721.09/10,279,277.56
  6. Step 6: Final answer
    x = 3,904,386.86

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.