Home / 20,041,521.45-27,657,621.09-10,874,164.20

Finding the Fourth Proportional to 20,041,521.45, 27,657,621.09 and 10,874,164.20

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Solution

The fourth proportional to 20,041,521.45, 27,657,621.09 and 10,874,164.20 is: 15,006,521.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,041,521.45 : 27,657,621.09 = 10,874,164.20 : x
  2. Step 2: Convert to fraction form
    20,041,521.45/27,657,621.09 = 10,874,164.20/x
  3. Step 3: Cross multiply
    20,041,521.45x = 27,657,621.09 × 10,874,164.20
  4. Step 4: Simplify right side
    20,041,521.45x = 300,753,513,114,042.94
  5. Step 5: Solve for x
    x = 300,753,513,114,042.94/20,041,521.45
  6. Step 6: Final answer
    x = 15,006,521.03

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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.