Home / 21,776,153.75-30,047,575.82-12,482,013.64

Finding the Fourth Proportional to 21,776,153.75, 30,047,575.82 and 12,482,013.64

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Solution

The fourth proportional to 21,776,153.75, 30,047,575.82 and 12,482,013.64 is: 17,223,163.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,776,153.75 : 30,047,575.82 = 12,482,013.64 : x
  2. Step 2: Convert to fraction form
    21,776,153.75/30,047,575.82 = 12,482,013.64/x
  3. Step 3: Cross multiply
    21,776,153.75x = 30,047,575.82 × 12,482,013.64
  4. Step 4: Simplify right side
    21,776,153.75x = 375,054,251,234,174.19
  5. Step 5: Solve for x
    x = 375,054,251,234,174.19/21,776,153.75
  6. Step 6: Final answer
    x = 17,223,163.26

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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.