Home / 40,722,857.71-56,197,039.75-22,387,982.83

Finding the Fourth Proportional to 40,722,857.71, 56,197,039.75 and 22,387,982.83

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Solution

The fourth proportional to 40,722,857.71, 56,197,039.75 and 22,387,982.83 is: 30,895,139.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,722,857.71 : 56,197,039.75 = 22,387,982.83 : x
  2. Step 2: Convert to fraction form
    40,722,857.71/56,197,039.75 = 22,387,982.83/x
  3. Step 3: Cross multiply
    40,722,857.71x = 56,197,039.75 × 22,387,982.83
  4. Step 4: Simplify right side
    40,722,857.71x = 1,258,138,361,019,827.50
  5. Step 5: Solve for x
    x = 1,258,138,361,019,827.50/40,722,857.71
  6. Step 6: Final answer
    x = 30,895,139.28

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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.