Home / 21,340,482.94-29,449,867.90-11,682,690.94

Finding the Fourth Proportional to 21,340,482.94, 29,449,867.90 and 11,682,690.94

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Solution

The fourth proportional to 21,340,482.94, 29,449,867.90 and 11,682,690.94 is: 16,122,114.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,340,482.94 : 29,449,867.90 = 11,682,690.94 : x
  2. Step 2: Convert to fraction form
    21,340,482.94/29,449,867.90 = 11,682,690.94/x
  3. Step 3: Cross multiply
    21,340,482.94x = 29,449,867.90 × 11,682,690.94
  4. Step 4: Simplify right side
    21,340,482.94x = 344,053,704,767,488.69
  5. Step 5: Solve for x
    x = 344,053,704,767,488.69/21,340,482.94
  6. Step 6: Final answer
    x = 16,122,114.28

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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.