Home / 54,409,568.10-81,612,602.55-18,019,637.70

Finding the Fourth Proportional to 54,409,568.10, 81,612,602.55 and 18,019,637.70

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Solution

The fourth proportional to 54,409,568.10, 81,612,602.55 and 18,019,637.70 is: 27,028,877.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,409,568.10 : 81,612,602.55 = 18,019,637.70 : x
  2. Step 2: Convert to fraction form
    54,409,568.10/81,612,602.55 = 18,019,637.70/x
  3. Step 3: Cross multiply
    54,409,568.10x = 81,612,602.55 × 18,019,637.70
  4. Step 4: Simplify right side
    54,409,568.10x = 1,470,629,529,705,096
  5. Step 5: Solve for x
    x = 1,470,629,529,705,096/54,409,568.10
  6. Step 6: Final answer
    x = 27,028,877.11

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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.