Home / 20,760,924.84-28,650,887.10-11,468,974.20

Finding the Fourth Proportional to 20,760,924.84, 28,650,887.10 and 11,468,974.20

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Solution

The fourth proportional to 20,760,924.84, 28,650,887.10 and 11,468,974.20 is: 15,827,632.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,760,924.84 : 28,650,887.10 = 11,468,974.20 : x
  2. Step 2: Convert to fraction form
    20,760,924.84/28,650,887.10 = 11,468,974.20/x
  3. Step 3: Cross multiply
    20,760,924.84x = 28,650,887.10 × 11,468,974.20
  4. Step 4: Simplify right side
    20,760,924.84x = 328,596,284,957,012.81
  5. Step 5: Solve for x
    x = 328,596,284,957,012.81/20,760,924.84
  6. Step 6: Final answer
    x = 15,827,632.32

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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.