Home / 19,782,397.76-27,286,078.52-13,914,477.20

Finding the Fourth Proportional to 19,782,397.76, 27,286,078.52 and 13,914,477.20

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Solution

The fourth proportional to 19,782,397.76, 27,286,078.52 and 13,914,477.20 is: 19,192,391.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,782,397.76 : 27,286,078.52 = 13,914,477.20 : x
  2. Step 2: Convert to fraction form
    19,782,397.76/27,286,078.52 = 13,914,477.20/x
  3. Step 3: Cross multiply
    19,782,397.76x = 27,286,078.52 × 13,914,477.20
  4. Step 4: Simplify right side
    19,782,397.76x = 379,671,517,546,951.19
  5. Step 5: Solve for x
    x = 379,671,517,546,951.19/19,782,397.76
  6. Step 6: Final answer
    x = 19,192,391.25

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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.