Home / 21,377,807.12-29,482,325.35-16,669,369.69

Finding the Fourth Proportional to 21,377,807.12, 29,482,325.35 and 16,669,369.69

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Solution

The fourth proportional to 21,377,807.12, 29,482,325.35 and 16,669,369.69 is: 22,988,877.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,377,807.12 : 29,482,325.35 = 16,669,369.69 : x
  2. Step 2: Convert to fraction form
    21,377,807.12/29,482,325.35 = 16,669,369.69/x
  3. Step 3: Cross multiply
    21,377,807.12x = 29,482,325.35 × 16,669,369.69
  4. Step 4: Simplify right side
    21,377,807.12x = 491,451,780,464,629.44
  5. Step 5: Solve for x
    x = 491,451,780,464,629.44/21,377,807.12
  6. Step 6: Final answer
    x = 22,988,877.09

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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.