Home / 18,791,013-25,931,156.88-11,056,556.28

Finding the Fourth Proportional to 18,791,013, 25,931,156.88 and 11,056,556.28

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Solution

The fourth proportional to 18,791,013, 25,931,156.88 and 11,056,556.28 is: 15,257,788.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,791,013 : 25,931,156.88 = 11,056,556.28 : x
  2. Step 2: Convert to fraction form
    18,791,013/25,931,156.88 = 11,056,556.28/x
  3. Step 3: Cross multiply
    18,791,013x = 25,931,156.88 × 11,056,556.28
  4. Step 4: Simplify right side
    18,791,013x = 286,709,295,449,229.19
  5. Step 5: Solve for x
    x = 286,709,295,449,229.19/18,791,013
  6. Step 6: Final answer
    x = 15,257,788.15

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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.