Home / 13,630,047.20-20,417,514.60-8,496,720.80

Finding the Fourth Proportional to 13,630,047.20, 20,417,514.60 and 8,496,720.80

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Solution

The fourth proportional to 13,630,047.20, 20,417,514.60 and 8,496,720.80 is: 12,727,903.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,630,047.20 : 20,417,514.60 = 8,496,720.80 : x
  2. Step 2: Convert to fraction form
    13,630,047.20/20,417,514.60 = 8,496,720.80/x
  3. Step 3: Cross multiply
    13,630,047.20x = 20,417,514.60 × 8,496,720.80
  4. Step 4: Simplify right side
    13,630,047.20x = 173,481,920,986,123.72
  5. Step 5: Solve for x
    x = 173,481,920,986,123.72/13,630,047.20
  6. Step 6: Final answer
    x = 12,727,903.17

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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.