Home / 20,671,719.52-28,526,694.48-11,504,359.84

Finding the Fourth Proportional to 20,671,719.52, 28,526,694.48 and 11,504,359.84

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Solution

The fourth proportional to 20,671,719.52, 28,526,694.48 and 11,504,359.84 is: 15,875,861.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,671,719.52 : 28,526,694.48 = 11,504,359.84 : x
  2. Step 2: Convert to fraction form
    20,671,719.52/28,526,694.48 = 11,504,359.84/x
  3. Step 3: Cross multiply
    20,671,719.52x = 28,526,694.48 × 11,504,359.84
  4. Step 4: Simplify right side
    20,671,719.52x = 328,181,358,343,661.69
  5. Step 5: Solve for x
    x = 328,181,358,343,661.69/20,671,719.52
  6. Step 6: Final answer
    x = 15,875,861.61

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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.