Home / 21,848,681.37-30,161,383.96-12,679,552.65

Finding the Fourth Proportional to 21,848,681.37, 30,161,383.96 and 12,679,552.65

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Solution

The fourth proportional to 21,848,681.37, 30,161,383.96 and 12,679,552.65 is: 17,503,704.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,848,681.37 : 30,161,383.96 = 12,679,552.65 : x
  2. Step 2: Convert to fraction form
    21,848,681.37/30,161,383.96 = 12,679,552.65/x
  3. Step 3: Cross multiply
    21,848,681.37x = 30,161,383.96 × 12,679,552.65
  4. Step 4: Simplify right side
    21,848,681.37x = 382,432,855,917,685.50
  5. Step 5: Solve for x
    x = 382,432,855,917,685.50/21,848,681.37
  6. Step 6: Final answer
    x = 17,503,704.20

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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.