Home / 11,236,869.98-15,517,359.32-8,270,681.78

Finding the Fourth Proportional to 11,236,869.98, 15,517,359.32 and 8,270,681.78

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Solution

The fourth proportional to 11,236,869.98, 15,517,359.32 and 8,270,681.78 is: 11,421,253.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,236,869.98 : 15,517,359.32 = 8,270,681.78 : x
  2. Step 2: Convert to fraction form
    11,236,869.98/15,517,359.32 = 8,270,681.78/x
  3. Step 3: Cross multiply
    11,236,869.98x = 15,517,359.32 × 8,270,681.78
  4. Step 4: Simplify right side
    11,236,869.98x = 128,339,140,882,696.98
  5. Step 5: Solve for x
    x = 128,339,140,882,696.98/11,236,869.98
  6. Step 6: Final answer
    x = 11,421,253.52

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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.