Home / 12,127,777.80-18,191,666.70-11,250,900.15

Finding the Fourth Proportional to 12,127,777.80, 18,191,666.70 and 11,250,900.15

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Solution

The fourth proportional to 12,127,777.80, 18,191,666.70 and 11,250,900.15 is: 16,876,350.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,127,777.80 : 18,191,666.70 = 11,250,900.15 : x
  2. Step 2: Convert to fraction form
    12,127,777.80/18,191,666.70 = 11,250,900.15/x
  3. Step 3: Cross multiply
    12,127,777.80x = 18,191,666.70 × 11,250,900.15
  4. Step 4: Simplify right side
    12,127,777.80x = 204,672,625,603,780
  5. Step 5: Solve for x
    x = 204,672,625,603,780/12,127,777.80
  6. Step 6: Final answer
    x = 16,876,350.23

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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.