Home / 21,378,028.94-29,482,631.16-16,669,591

Finding the Fourth Proportional to 21,378,028.94, 29,482,631.16 and 16,669,591

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Solution

The fourth proportional to 21,378,028.94, 29,482,631.16 and 16,669,591 is: 22,989,182.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,378,028.94 : 29,482,631.16 = 16,669,591 : x
  2. Step 2: Convert to fraction form
    21,378,028.94/29,482,631.16 = 16,669,591/x
  3. Step 3: Cross multiply
    21,378,028.94x = 29,482,631.16 × 16,669,591
  4. Step 4: Simplify right side
    21,378,028.94x = 491,463,403,041,055.56
  5. Step 5: Solve for x
    x = 491,463,403,041,055.56/21,378,028.94
  6. Step 6: Final answer
    x = 22,989,182.23

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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.