Home / 22,190,805.70-30,620,659.72-12,266,347.76

Finding the Fourth Proportional to 22,190,805.70, 30,620,659.72 and 12,266,347.76

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Solution

The fourth proportional to 22,190,805.70, 30,620,659.72 and 12,266,347.76 is: 16,926,093.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,190,805.70 : 30,620,659.72 = 12,266,347.76 : x
  2. Step 2: Convert to fraction form
    22,190,805.70/30,620,659.72 = 12,266,347.76/x
  3. Step 3: Cross multiply
    22,190,805.70x = 30,620,659.72 × 12,266,347.76
  4. Step 4: Simplify right side
    22,190,805.70x = 375,603,660,766,144.19
  5. Step 5: Solve for x
    x = 375,603,660,766,144.19/22,190,805.70
  6. Step 6: Final answer
    x = 16,926,093.89

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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.