Home / 21,351,949.93-29,467,798.55-12,185,964.01

Finding the Fourth Proportional to 21,351,949.93, 29,467,798.55 and 12,185,964.01

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Solution

The fourth proportional to 21,351,949.93, 29,467,798.55 and 12,185,964.01 is: 16,817,833.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,351,949.93 : 29,467,798.55 = 12,185,964.01 : x
  2. Step 2: Convert to fraction form
    21,351,949.93/29,467,798.55 = 12,185,964.01/x
  3. Step 3: Cross multiply
    21,351,949.93x = 29,467,798.55 × 12,185,964.01
  4. Step 4: Simplify right side
    21,351,949.93x = 359,093,532,584,230.19
  5. Step 5: Solve for x
    x = 359,093,532,584,230.19/21,351,949.93
  6. Step 6: Final answer
    x = 16,817,833.21

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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.