Home / 8,137,896.76-11,239,618.12-5,359,440.36

Finding the Fourth Proportional to 8,137,896.76, 11,239,618.12 and 5,359,440.36

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Solution

The fourth proportional to 8,137,896.76, 11,239,618.12 and 5,359,440.36 is: 7,402,166.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,137,896.76 : 11,239,618.12 = 5,359,440.36 : x
  2. Step 2: Convert to fraction form
    8,137,896.76/11,239,618.12 = 5,359,440.36/x
  3. Step 3: Cross multiply
    8,137,896.76x = 11,239,618.12 × 5,359,440.36
  4. Step 4: Simplify right side
    8,137,896.76x = 60,238,063,012,065.28
  5. Step 5: Solve for x
    x = 60,238,063,012,065.28/8,137,896.76
  6. Step 6: Final answer
    x = 7,402,166.04

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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.