Home / 40,098,055.20-55,335,369.96-21,763,335.84

Finding the Fourth Proportional to 40,098,055.20, 55,335,369.96 and 21,763,335.84

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Solution

The fourth proportional to 40,098,055.20, 55,335,369.96 and 21,763,335.84 is: 30,033,432.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,098,055.20 : 55,335,369.96 = 21,763,335.84 : x
  2. Step 2: Convert to fraction form
    40,098,055.20/55,335,369.96 = 21,763,335.84/x
  3. Step 3: Cross multiply
    40,098,055.20x = 55,335,369.96 × 21,763,335.84
  4. Step 4: Simplify right side
    40,098,055.20x = 1,204,282,240,270,127.50
  5. Step 5: Solve for x
    x = 1,204,282,240,270,127.50/40,098,055.20
  6. Step 6: Final answer
    x = 30,033,432.65

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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.