Home / 20,671,718.52-28,526,693.10-11,504,358.84

Finding the Fourth Proportional to 20,671,718.52, 28,526,693.10 and 11,504,358.84

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Solution

The fourth proportional to 20,671,718.52, 28,526,693.10 and 11,504,358.84 is: 15,875,860.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,671,718.52 : 28,526,693.10 = 11,504,358.84 : x
  2. Step 2: Convert to fraction form
    20,671,718.52/28,526,693.10 = 11,504,358.84/x
  3. Step 3: Cross multiply
    20,671,718.52x = 28,526,693.10 × 11,504,358.84
  4. Step 4: Simplify right side
    20,671,718.52x = 328,181,313,940,952
  5. Step 5: Solve for x
    x = 328,181,313,940,952/20,671,718.52
  6. Step 6: Final answer
    x = 15,875,860.23

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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.