Home / 12,126,266.90-16,739,704.44-7,998,741.80

Finding the Fourth Proportional to 12,126,266.90, 16,739,704.44 and 7,998,741.80

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Solution

The fourth proportional to 12,126,266.90, 16,739,704.44 and 7,998,741.80 is: 11,041,862.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,126,266.90 : 16,739,704.44 = 7,998,741.80 : x
  2. Step 2: Convert to fraction form
    12,126,266.90/16,739,704.44 = 7,998,741.80/x
  3. Step 3: Cross multiply
    12,126,266.90x = 16,739,704.44 × 7,998,741.80
  4. Step 4: Simplify right side
    12,126,266.90x = 133,896,573,623,873.58
  5. Step 5: Solve for x
    x = 133,896,573,623,873.58/12,126,266.90
  6. Step 6: Final answer
    x = 11,041,862.65

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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.