Home / 8,272,670.80-12,409,006.20-4,021,142.80

Finding the Fourth Proportional to 8,272,670.80, 12,409,006.20 and 4,021,142.80

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Solution

The fourth proportional to 8,272,670.80, 12,409,006.20 and 4,021,142.80 is: 6,031,714.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,272,670.80 : 12,409,006.20 = 4,021,142.80 : x
  2. Step 2: Convert to fraction form
    8,272,670.80/12,409,006.20 = 4,021,142.80/x
  3. Step 3: Cross multiply
    8,272,670.80x = 12,409,006.20 × 4,021,142.80
  4. Step 4: Simplify right side
    8,272,670.80x = 49,898,385,936,285.35
  5. Step 5: Solve for x
    x = 49,898,385,936,285.35/8,272,670.80
  6. Step 6: Final answer
    x = 6,031,714.20

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Similar ratio
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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.