Home / 36,339,909.60-54,509,864.40-18,386,680.80

Finding the Fourth Proportional to 36,339,909.60, 54,509,864.40 and 18,386,680.80

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Solution

The fourth proportional to 36,339,909.60, 54,509,864.40 and 18,386,680.80 is: 27,580,021.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,339,909.60 : 54,509,864.40 = 18,386,680.80 : x
  2. Step 2: Convert to fraction form
    36,339,909.60/54,509,864.40 = 18,386,680.80/x
  3. Step 3: Cross multiply
    36,339,909.60x = 54,509,864.40 × 18,386,680.80
  4. Step 4: Simplify right side
    36,339,909.60x = 1,002,255,477,174,083.50
  5. Step 5: Solve for x
    x = 1,002,255,477,174,083.50/36,339,909.60
  6. Step 6: Final answer
    x = 27,580,021.20

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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.