Home / 20,146,883.20-27,801,887.71-10,979,329.12

Finding the Fourth Proportional to 20,146,883.20, 27,801,887.71 and 10,979,329.12

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Solution

The fourth proportional to 20,146,883.20, 27,801,887.71 and 10,979,329.12 is: 15,151,032.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,146,883.20 : 27,801,887.71 = 10,979,329.12 : x
  2. Step 2: Convert to fraction form
    20,146,883.20/27,801,887.71 = 10,979,329.12/x
  3. Step 3: Cross multiply
    20,146,883.20x = 27,801,887.71 × 10,979,329.12
  4. Step 4: Simplify right side
    20,146,883.20x = 305,246,075,131,467
  5. Step 5: Solve for x
    x = 305,246,075,131,467/20,146,883.20
  6. Step 6: Final answer
    x = 15,151,032.16

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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.