Home / 13,286,907.60-18,335,932.36-7,175,335.56

Finding the Fourth Proportional to 13,286,907.60, 18,335,932.36 and 7,175,335.56

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Solution

The fourth proportional to 13,286,907.60, 18,335,932.36 and 7,175,335.56 is: 9,901,963.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,286,907.60 : 18,335,932.36 = 7,175,335.56 : x
  2. Step 2: Convert to fraction form
    13,286,907.60/18,335,932.36 = 7,175,335.56/x
  3. Step 3: Cross multiply
    13,286,907.60x = 18,335,932.36 × 7,175,335.56
  4. Step 4: Simplify right side
    13,286,907.60x = 131,566,467,488,462.70
  5. Step 5: Solve for x
    x = 131,566,467,488,462.70/13,286,907.60
  6. Step 6: Final answer
    x = 9,901,963.00

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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.