Home / 12,491,388.37-17,236,788.84-6,908,747.76

Finding the Fourth Proportional to 12,491,388.37, 17,236,788.84 and 6,908,747.76

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Solution

The fourth proportional to 12,491,388.37, 17,236,788.84 and 6,908,747.76 is: 9,533,337.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,491,388.37 : 17,236,788.84 = 6,908,747.76 : x
  2. Step 2: Convert to fraction form
    12,491,388.37/17,236,788.84 = 6,908,747.76/x
  3. Step 3: Cross multiply
    12,491,388.37x = 17,236,788.84 × 6,908,747.76
  4. Step 4: Simplify right side
    12,491,388.37x = 119,084,626,287,943
  5. Step 5: Solve for x
    x = 119,084,626,287,943/12,491,388.37
  6. Step 6: Final answer
    x = 9,533,337.91

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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.