Home / 28,889,297.40-43,350,743.70-11,862,190.20

Finding the Fourth Proportional to 28,889,297.40, 43,350,743.70 and 11,862,190.20

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Solution

The fourth proportional to 28,889,297.40, 43,350,743.70 and 11,862,190.20 is: 17,800,182.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,889,297.40 : 43,350,743.70 = 11,862,190.20 : x
  2. Step 2: Convert to fraction form
    28,889,297.40/43,350,743.70 = 11,862,190.20/x
  3. Step 3: Cross multiply
    28,889,297.40x = 43,350,743.70 × 11,862,190.20
  4. Step 4: Simplify right side
    28,889,297.40x = 514,234,767,080,851.75
  5. Step 5: Solve for x
    x = 514,234,767,080,851.75/28,889,297.40
  6. Step 6: Final answer
    x = 17,800,182.54

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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.