Home / 40,214,784.64-55,494,744.96-21,880,143.04

Finding the Fourth Proportional to 40,214,784.64, 55,494,744.96 and 21,880,143.04

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Solution

The fourth proportional to 40,214,784.64, 55,494,744.96 and 21,880,143.04 is: 30,193,695.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,214,784.64 : 55,494,744.96 = 21,880,143.04 : x
  2. Step 2: Convert to fraction form
    40,214,784.64/55,494,744.96 = 21,880,143.04/x
  3. Step 3: Cross multiply
    40,214,784.64x = 55,494,744.96 × 21,880,143.04
  4. Step 4: Simplify right side
    40,214,784.64x = 1,214,232,957,693,119
  5. Step 5: Solve for x
    x = 1,214,232,957,693,119/40,214,784.64
  6. Step 6: Final answer
    x = 30,193,695.39

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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.