Home / 39,260,612.70-54,178,589.55-21,856,957.56

Finding the Fourth Proportional to 39,260,612.70, 54,178,589.55 and 21,856,957.56

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Solution

The fourth proportional to 39,260,612.70, 54,178,589.55 and 21,856,957.56 is: 30,162,013.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,260,612.70 : 54,178,589.55 = 21,856,957.56 : x
  2. Step 2: Convert to fraction form
    39,260,612.70/54,178,589.55 = 21,856,957.56/x
  3. Step 3: Cross multiply
    39,260,612.70x = 54,178,589.55 × 21,856,957.56
  4. Step 4: Simplify right side
    39,260,612.70x = 1,184,179,132,455,009.25
  5. Step 5: Solve for x
    x = 1,184,179,132,455,009.25/39,260,612.70
  6. Step 6: Final answer
    x = 30,162,013.56

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.