Home / 14,658,115.08-20,228,222.52-8,131,744.80

Finding the Fourth Proportional to 14,658,115.08, 20,228,222.52 and 8,131,744.80

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Solution

The fourth proportional to 14,658,115.08, 20,228,222.52 and 8,131,744.80 is: 11,221,820.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,658,115.08 : 20,228,222.52 = 8,131,744.80 : x
  2. Step 2: Convert to fraction form
    14,658,115.08/20,228,222.52 = 8,131,744.80/x
  3. Step 3: Cross multiply
    14,658,115.08x = 20,228,222.52 × 8,131,744.80
  4. Step 4: Simplify right side
    14,658,115.08x = 164,490,743,290,252.88
  5. Step 5: Solve for x
    x = 164,490,743,290,252.88/14,658,115.08
  6. Step 6: Final answer
    x = 11,221,820.98

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.