Home / 18,794,753.40-28,192,130.10-13,126,049.40

Finding the Fourth Proportional to 18,794,753.40, 28,192,130.10 and 13,126,049.40

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Solution

The fourth proportional to 18,794,753.40, 28,192,130.10 and 13,126,049.40 is: 19,689,074.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,794,753.40 : 28,192,130.10 = 13,126,049.40 : x
  2. Step 2: Convert to fraction form
    18,794,753.40/28,192,130.10 = 13,126,049.40/x
  3. Step 3: Cross multiply
    18,794,753.40x = 28,192,130.10 × 13,126,049.40
  4. Step 4: Simplify right side
    18,794,753.40x = 370,051,292,383,827
  5. Step 5: Solve for x
    x = 370,051,292,383,827/18,794,753.40
  6. Step 6: Final answer
    x = 19,689,074.10

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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.