Home / 38,431,285.20-57,576,943.80-18,191,912.40

Finding the Fourth Proportional to 38,431,285.20, 57,576,943.80 and 18,191,912.40

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Solution

The fourth proportional to 38,431,285.20, 57,576,943.80 and 18,191,912.40 is: 27,254,740.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,431,285.20 : 57,576,943.80 = 18,191,912.40 : x
  2. Step 2: Convert to fraction form
    38,431,285.20/57,576,943.80 = 18,191,912.40/x
  3. Step 3: Cross multiply
    38,431,285.20x = 57,576,943.80 × 18,191,912.40
  4. Step 4: Simplify right side
    38,431,285.20x = 1,047,434,717,869,323
  5. Step 5: Solve for x
    x = 1,047,434,717,869,323/38,431,285.20
  6. Step 6: Final answer
    x = 27,254,740.83

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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.