Home / 20,849,549.98-31,247,087.80-11,627,154.44

Finding the Fourth Proportional to 20,849,549.98, 31,247,087.80 and 11,627,154.44

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Solution

The fourth proportional to 20,849,549.98, 31,247,087.80 and 11,627,154.44 is: 17,425,542.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,849,549.98 : 31,247,087.80 = 11,627,154.44 : x
  2. Step 2: Convert to fraction form
    20,849,549.98/31,247,087.80 = 11,627,154.44/x
  3. Step 3: Cross multiply
    20,849,549.98x = 31,247,087.80 × 11,627,154.44
  4. Step 4: Simplify right side
    20,849,549.98x = 363,314,715,650,839.81
  5. Step 5: Solve for x
    x = 363,314,715,650,839.81/20,849,549.98
  6. Step 6: Final answer
    x = 17,425,542.33

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.