Home / 12,347,896.16-18,433,752.49-11,527,316.15

Finding the Fourth Proportional to 12,347,896.16, 18,433,752.49 and 11,527,316.15

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Solution

The fourth proportional to 12,347,896.16, 18,433,752.49 and 11,527,316.15 is: 17,208,736.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,347,896.16 : 18,433,752.49 = 11,527,316.15 : x
  2. Step 2: Convert to fraction form
    12,347,896.16/18,433,752.49 = 11,527,316.15/x
  3. Step 3: Cross multiply
    12,347,896.16x = 18,433,752.49 × 11,527,316.15
  4. Step 4: Simplify right side
    12,347,896.16x = 212,491,692,705,320.09
  5. Step 5: Solve for x
    x = 212,491,692,705,320.09/12,347,896.16
  6. Step 6: Final answer
    x = 17,208,736.61

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.