Home / 13,590,488.88-18,754,632.10-7,395,324.30

Finding the Fourth Proportional to 13,590,488.88, 18,754,632.10 and 7,395,324.30

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Solution

The fourth proportional to 13,590,488.88, 18,754,632.10 and 7,395,324.30 is: 10,205,415.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,590,488.88 : 18,754,632.10 = 7,395,324.30 : x
  2. Step 2: Convert to fraction form
    13,590,488.88/18,754,632.10 = 7,395,324.30/x
  3. Step 3: Cross multiply
    13,590,488.88x = 18,754,632.10 × 7,395,324.30
  4. Step 4: Simplify right side
    13,590,488.88x = 138,696,586,469,713.39
  5. Step 5: Solve for x
    x = 138,696,586,469,713.39/13,590,488.88
  6. Step 6: Final answer
    x = 10,205,415.54

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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.