Home / 40,542,356.50-55,948,402.14-21,957,485.64

Finding the Fourth Proportional to 40,542,356.50, 55,948,402.14 and 21,957,485.64

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Solution

The fourth proportional to 40,542,356.50, 55,948,402.14 and 21,957,485.64 is: 30,301,303.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,542,356.50 : 55,948,402.14 = 21,957,485.64 : x
  2. Step 2: Convert to fraction form
    40,542,356.50/55,948,402.14 = 21,957,485.64/x
  3. Step 3: Cross multiply
    40,542,356.50x = 55,948,402.14 × 21,957,485.64
  4. Step 4: Simplify right side
    40,542,356.50x = 1,228,486,236,569,995.25
  5. Step 5: Solve for x
    x = 1,228,486,236,569,995.25/40,542,356.50
  6. Step 6: Final answer
    x = 30,301,303.20

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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.