Home / 13,590,488.38-18,754,631.40-7,395,323.80

Finding the Fourth Proportional to 13,590,488.38, 18,754,631.40 and 7,395,323.80

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Solution

The fourth proportional to 13,590,488.38, 18,754,631.40 and 7,395,323.80 is: 10,205,414.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,590,488.38 : 18,754,631.40 = 7,395,323.80 : x
  2. Step 2: Convert to fraction form
    13,590,488.38/18,754,631.40 = 7,395,323.80/x
  3. Step 3: Cross multiply
    13,590,488.38x = 18,754,631.40 × 7,395,323.80
  4. Step 4: Simplify right side
    13,590,488.38x = 138,696,571,933,493.20
  5. Step 5: Solve for x
    x = 138,696,571,933,493.20/13,590,488.38
  6. Step 6: Final answer
    x = 10,205,414.85

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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.