Home / 43,511,499.65-65,274,685.16-17,938,529.57

Finding the Fourth Proportional to 43,511,499.65, 65,274,685.16 and 17,938,529.57

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Solution

The fourth proportional to 43,511,499.65, 65,274,685.16 and 17,938,529.57 is: 26,910,859.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,511,499.65 : 65,274,685.16 = 17,938,529.57 : x
  2. Step 2: Convert to fraction form
    43,511,499.65/65,274,685.16 = 17,938,529.57/x
  3. Step 3: Cross multiply
    43,511,499.65x = 65,274,685.16 × 17,938,529.57
  4. Step 4: Simplify right side
    43,511,499.65x = 1,170,931,869,825,407.50
  5. Step 5: Solve for x
    x = 1,170,931,869,825,407.50/43,511,499.65
  6. Step 6: Final answer
    x = 26,910,859.87

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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.