Home / 18,699,241.40-28,048,862.10-17,943,414.20

Finding the Fourth Proportional to 18,699,241.40, 28,048,862.10 and 17,943,414.20

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Solution

The fourth proportional to 18,699,241.40, 28,048,862.10 and 17,943,414.20 is: 26,915,121.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,699,241.40 : 28,048,862.10 = 17,943,414.20 : x
  2. Step 2: Convert to fraction form
    18,699,241.40/28,048,862.10 = 17,943,414.20/x
  3. Step 3: Cross multiply
    18,699,241.40x = 28,048,862.10 × 17,943,414.20
  4. Step 4: Simplify right side
    18,699,241.40x = 503,292,350,498,981.81
  5. Step 5: Solve for x
    x = 503,292,350,498,981.81/18,699,241.40
  6. Step 6: Final answer
    x = 26,915,121.30

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1.5x scale

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.