Home / 19,908,640.22-27,459,255.45-15,014,068.61

Finding the Fourth Proportional to 19,908,640.22, 27,459,255.45 and 15,014,068.61

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Solution

The fourth proportional to 19,908,640.22, 27,459,255.45 and 15,014,068.61 is: 20,708,352.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,908,640.22 : 27,459,255.45 = 15,014,068.61 : x
  2. Step 2: Convert to fraction form
    19,908,640.22/27,459,255.45 = 15,014,068.61/x
  3. Step 3: Cross multiply
    19,908,640.22x = 27,459,255.45 × 15,014,068.61
  4. Step 4: Simplify right side
    19,908,640.22x = 412,275,145,305,816.38
  5. Step 5: Solve for x
    x = 412,275,145,305,816.38/19,908,640.22
  6. Step 6: Final answer
    x = 20,708,352.79

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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.