Home / 20,041,521.95-27,657,621.78-10,874,164.70

Finding the Fourth Proportional to 20,041,521.95, 27,657,621.78 and 10,874,164.70

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Solution

The fourth proportional to 20,041,521.95, 27,657,621.78 and 10,874,164.70 is: 15,006,521.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,041,521.95 : 27,657,621.78 = 10,874,164.70 : x
  2. Step 2: Convert to fraction form
    20,041,521.95/27,657,621.78 = 10,874,164.70/x
  3. Step 3: Cross multiply
    20,041,521.95x = 27,657,621.78 × 10,874,164.70
  4. Step 4: Simplify right side
    20,041,521.95x = 300,753,534,446,027.19
  5. Step 5: Solve for x
    x = 300,753,534,446,027.19/20,041,521.95
  6. Step 6: Final answer
    x = 15,006,521.72

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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.