Home / 13,755,152.52-18,982,307.75-7,560,772.70

Finding the Fourth Proportional to 13,755,152.52, 18,982,307.75 and 7,560,772.70

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Solution

The fourth proportional to 13,755,152.52, 18,982,307.75 and 7,560,772.70 is: 10,433,974.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,755,152.52 : 18,982,307.75 = 7,560,772.70 : x
  2. Step 2: Convert to fraction form
    13,755,152.52/18,982,307.75 = 7,560,772.70/x
  3. Step 3: Cross multiply
    13,755,152.52x = 18,982,307.75 × 7,560,772.70
  4. Step 4: Simplify right side
    13,755,152.52x = 143,520,914,086,483.03
  5. Step 5: Solve for x
    x = 143,520,914,086,483.03/13,755,152.52
  6. Step 6: Final answer
    x = 10,433,974.75

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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.