Home / 22,845,100.80-31,525,945.12-13,055,432.72

Finding the Fourth Proportional to 22,845,100.80, 31,525,945.12 and 13,055,432.72

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Solution

The fourth proportional to 22,845,100.80, 31,525,945.12 and 13,055,432.72 is: 18,016,329.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,845,100.80 : 31,525,945.12 = 13,055,432.72 : x
  2. Step 2: Convert to fraction form
    22,845,100.80/31,525,945.12 = 13,055,432.72/x
  3. Step 3: Cross multiply
    22,845,100.80x = 31,525,945.12 × 13,055,432.72
  4. Step 4: Simplify right side
    22,845,100.80x = 411,584,855,448,572.38
  5. Step 5: Solve for x
    x = 411,584,855,448,572.38/22,845,100.80
  6. Step 6: Final answer
    x = 18,016,329.15

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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.