Home / 20,058,621.80-27,680,121.76-10,891,054.76

Finding the Fourth Proportional to 20,058,621.80, 27,680,121.76 and 10,891,054.76

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Solution

The fourth proportional to 20,058,621.80, 27,680,121.76 and 10,891,054.76 is: 15,029,234.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,058,621.80 : 27,680,121.76 = 10,891,054.76 : x
  2. Step 2: Convert to fraction form
    20,058,621.80/27,680,121.76 = 10,891,054.76/x
  3. Step 3: Cross multiply
    20,058,621.80x = 27,680,121.76 × 10,891,054.76
  4. Step 4: Simplify right side
    20,058,621.80x = 301,465,721,851,627.56
  5. Step 5: Solve for x
    x = 301,465,721,851,627.56/20,058,621.80
  6. Step 6: Final answer
    x = 15,029,234.05

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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.