Home / 33,286,192.80-45,930,967.80-18,399,505.87

Finding the Fourth Proportional to 33,286,192.80, 45,930,967.80 and 18,399,505.87

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Solution

The fourth proportional to 33,286,192.80, 45,930,967.80 and 18,399,505.87 is: 25,389,119.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,286,192.80 : 45,930,967.80 = 18,399,505.87 : x
  2. Step 2: Convert to fraction form
    33,286,192.80/45,930,967.80 = 18,399,505.87/x
  3. Step 3: Cross multiply
    33,286,192.80x = 45,930,967.80 × 18,399,505.87
  4. Step 4: Simplify right side
    33,286,192.80x = 845,107,111,650,881
  5. Step 5: Solve for x
    x = 845,107,111,650,881/33,286,192.80
  6. Step 6: Final answer
    x = 25,389,119.05

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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.