Home / 21,743,346.54-30,003,380.19-13,041,872.94

Finding the Fourth Proportional to 21,743,346.54, 30,003,380.19 and 13,041,872.94

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Solution

The fourth proportional to 21,743,346.54, 30,003,380.19 and 13,041,872.94 is: 17,996,322.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,743,346.54 : 30,003,380.19 = 13,041,872.94 : x
  2. Step 2: Convert to fraction form
    21,743,346.54/30,003,380.19 = 13,041,872.94/x
  3. Step 3: Cross multiply
    21,743,346.54x = 30,003,380.19 × 13,041,872.94
  4. Step 4: Simplify right side
    21,743,346.54x = 391,300,272,208,493.06
  5. Step 5: Solve for x
    x = 391,300,272,208,493.06/21,743,346.54
  6. Step 6: Final answer
    x = 17,996,322.30

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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.