Home / 40,525,263.76-55,924,876.02-21,940,400.20

Finding the Fourth Proportional to 40,525,263.76, 55,924,876.02 and 21,940,400.20

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Solution

The fourth proportional to 40,525,263.76, 55,924,876.02 and 21,940,400.20 is: 30,277,758.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,525,263.76 : 55,924,876.02 = 21,940,400.20 : x
  2. Step 2: Convert to fraction form
    40,525,263.76/55,924,876.02 = 21,940,400.20/x
  3. Step 3: Cross multiply
    40,525,263.76x = 55,924,876.02 × 21,940,400.20
  4. Step 4: Simplify right side
    40,525,263.76x = 1,227,014,161,014,183.25
  5. Step 5: Solve for x
    x = 1,227,014,161,014,183.25/40,525,263.76
  6. Step 6: Final answer
    x = 30,277,758.79

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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.