Home / 18,954,027.10-28,431,040.65-18,210,009.70

Finding the Fourth Proportional to 18,954,027.10, 28,431,040.65 and 18,210,009.70

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Solution

The fourth proportional to 18,954,027.10, 28,431,040.65 and 18,210,009.70 is: 27,315,014.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,954,027.10 : 28,431,040.65 = 18,210,009.70 : x
  2. Step 2: Convert to fraction form
    18,954,027.10/28,431,040.65 = 18,210,009.70/x
  3. Step 3: Cross multiply
    18,954,027.10x = 28,431,040.65 × 18,210,009.70
  4. Step 4: Simplify right side
    18,954,027.10x = 517,729,526,017,594.25
  5. Step 5: Solve for x
    x = 517,729,526,017,594.25/18,954,027.10
  6. Step 6: Final answer
    x = 27,315,014.55

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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.