Home / 15,340,085.06-21,169,417.11-8,371,253.30

Finding the Fourth Proportional to 15,340,085.06, 21,169,417.11 and 8,371,253.30

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Solution

The fourth proportional to 15,340,085.06, 21,169,417.11 and 8,371,253.30 is: 11,552,383.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,340,085.06 : 21,169,417.11 = 8,371,253.30 : x
  2. Step 2: Convert to fraction form
    15,340,085.06/21,169,417.11 = 8,371,253.30/x
  3. Step 3: Cross multiply
    15,340,085.06x = 21,169,417.11 × 8,371,253.30
  4. Step 4: Simplify right side
    15,340,085.06x = 177,214,552,841,163.97
  5. Step 5: Solve for x
    x = 177,214,552,841,163.97/15,340,085.06
  6. Step 6: Final answer
    x = 11,552,383.98

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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.