Home / 54,323,786.85-81,485,680.28-17,937,793.05

Finding the Fourth Proportional to 54,323,786.85, 81,485,680.28 and 17,937,793.05

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Solution

The fourth proportional to 54,323,786.85, 81,485,680.28 and 17,937,793.05 is: 26,906,689.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,323,786.85 : 81,485,680.28 = 17,937,793.05 : x
  2. Step 2: Convert to fraction form
    54,323,786.85/81,485,680.28 = 17,937,793.05/x
  3. Step 3: Cross multiply
    54,323,786.85x = 81,485,680.28 × 17,937,793.05
  4. Step 4: Simplify right side
    54,323,786.85x = 1,461,673,269,311,417.25
  5. Step 5: Solve for x
    x = 1,461,673,269,311,417.25/54,323,786.85
  6. Step 6: Final answer
    x = 26,906,689.58

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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.