Home / 18,445,111.20-27,667,666.80-17,185,399.20

Finding the Fourth Proportional to 18,445,111.20, 27,667,666.80 and 17,185,399.20

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Solution

The fourth proportional to 18,445,111.20, 27,667,666.80 and 17,185,399.20 is: 25,778,098.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,445,111.20 : 27,667,666.80 = 17,185,399.20 : x
  2. Step 2: Convert to fraction form
    18,445,111.20/27,667,666.80 = 17,185,399.20/x
  3. Step 3: Cross multiply
    18,445,111.20x = 27,667,666.80 × 17,185,399.20
  4. Step 4: Simplify right side
    18,445,111.20x = 475,479,898,890,586.56
  5. Step 5: Solve for x
    x = 475,479,898,890,586.56/18,445,111.20
  6. Step 6: Final answer
    x = 25,778,098.80

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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.