Home / 11,887,342.82-17,818,568.91-4,974,782.66

Finding the Fourth Proportional to 11,887,342.82, 17,818,568.91 and 4,974,782.66

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Solution

The fourth proportional to 11,887,342.82, 17,818,568.91 and 4,974,782.66 is: 7,456,965.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,887,342.82 : 17,818,568.91 = 4,974,782.66 : x
  2. Step 2: Convert to fraction form
    11,887,342.82/17,818,568.91 = 4,974,782.66/x
  3. Step 3: Cross multiply
    11,887,342.82x = 17,818,568.91 × 4,974,782.66
  4. Step 4: Simplify right side
    11,887,342.82x = 88,643,507,639,483.11
  5. Step 5: Solve for x
    x = 88,643,507,639,483.11/11,887,342.82
  6. Step 6: Final answer
    x = 7,456,965.70

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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.