Home / 20,142,280.80-27,796,351.32-10,974,923.46

Finding the Fourth Proportional to 20,142,280.80, 27,796,351.32 and 10,974,923.46

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Solution

The fourth proportional to 20,142,280.80, 27,796,351.32 and 10,974,923.46 is: 15,145,396.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,142,280.80 : 27,796,351.32 = 10,974,923.46 : x
  2. Step 2: Convert to fraction form
    20,142,280.80/27,796,351.32 = 10,974,923.46/x
  3. Step 3: Cross multiply
    20,142,280.80x = 27,796,351.32 × 10,974,923.46
  4. Step 4: Simplify right side
    20,142,280.80x = 305,062,828,204,270
  5. Step 5: Solve for x
    x = 305,062,828,204,270/20,142,280.80
  6. Step 6: Final answer
    x = 15,145,396.45

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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.