Home / 18,699,496.40-28,049,244.60-17,943,669.20

Finding the Fourth Proportional to 18,699,496.40, 28,049,244.60 and 17,943,669.20

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Solution

The fourth proportional to 18,699,496.40, 28,049,244.60 and 17,943,669.20 is: 26,915,503.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,699,496.40 : 28,049,244.60 = 17,943,669.20 : x
  2. Step 2: Convert to fraction form
    18,699,496.40/28,049,244.60 = 17,943,669.20/x
  3. Step 3: Cross multiply
    18,699,496.40x = 28,049,244.60 × 17,943,669.20
  4. Step 4: Simplify right side
    18,699,496.40x = 503,306,366,412,286.31
  5. Step 5: Solve for x
    x = 503,306,366,412,286.31/18,699,496.40
  6. Step 6: Final answer
    x = 26,915,503.80

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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.