Home / 54,301,998.40-81,451,154.40-13,912,878.40

Finding the Fourth Proportional to 54,301,998.40, 81,451,154.40 and 13,912,878.40

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Solution

The fourth proportional to 54,301,998.40, 81,451,154.40 and 13,912,878.40 is: 20,868,845.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,301,998.40 : 81,451,154.40 = 13,912,878.40 : x
  2. Step 2: Convert to fraction form
    54,301,998.40/81,451,154.40 = 13,912,878.40/x
  3. Step 3: Cross multiply
    54,301,998.40x = 81,451,154.40 × 13,912,878.40
  4. Step 4: Simplify right side
    54,301,998.40x = 1,133,220,006,706,825
  5. Step 5: Solve for x
    x = 1,133,220,006,706,825/54,301,998.40
  6. Step 6: Final answer
    x = 20,868,845.35

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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.