Home / 13,262,503.52-18,277,239.12-11,620,212.32

Finding the Fourth Proportional to 13,262,503.52, 18,277,239.12 and 11,620,212.32

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Solution

The fourth proportional to 13,262,503.52, 18,277,239.12 and 11,620,212.32 is: 16,013,974.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,262,503.52 : 18,277,239.12 = 11,620,212.32 : x
  2. Step 2: Convert to fraction form
    13,262,503.52/18,277,239.12 = 11,620,212.32/x
  3. Step 3: Cross multiply
    13,262,503.52x = 18,277,239.12 × 11,620,212.32
  4. Step 4: Simplify right side
    13,262,503.52x = 212,385,399,197,809.97
  5. Step 5: Solve for x
    x = 212,385,399,197,809.97/13,262,503.52
  6. Step 6: Final answer
    x = 16,013,974.95

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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.