Home / 18,667,042.80-28,000,564.20-13,565,209.20

Finding the Fourth Proportional to 18,667,042.80, 28,000,564.20 and 13,565,209.20

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Solution

The fourth proportional to 18,667,042.80, 28,000,564.20 and 13,565,209.20 is: 20,347,813.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,667,042.80 : 28,000,564.20 = 13,565,209.20 : x
  2. Step 2: Convert to fraction form
    18,667,042.80/28,000,564.20 = 13,565,209.20/x
  3. Step 3: Cross multiply
    18,667,042.80x = 28,000,564.20 × 13,565,209.20
  4. Step 4: Simplify right side
    18,667,042.80x = 379,833,511,091,030.62
  5. Step 5: Solve for x
    x = 379,833,511,091,030.62/18,667,042.80
  6. Step 6: Final answer
    x = 20,347,813.80

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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.