Home / 40,564,616.52-55,979,219.96-21,979,741.96

Finding the Fourth Proportional to 40,564,616.52, 55,979,219.96 and 21,979,741.96

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Solution

The fourth proportional to 40,564,616.52, 55,979,219.96 and 21,979,741.96 is: 30,332,070.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,564,616.52 : 55,979,219.96 = 21,979,741.96 : x
  2. Step 2: Convert to fraction form
    40,564,616.52/55,979,219.96 = 21,979,741.96/x
  3. Step 3: Cross multiply
    40,564,616.52x = 55,979,219.96 × 21,979,741.96
  4. Step 4: Simplify right side
    40,564,616.52x = 1,230,408,809,842,881.50
  5. Step 5: Solve for x
    x = 1,230,408,809,842,881.50/40,564,616.52
  6. Step 6: Final answer
    x = 30,332,070.54

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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.