Home / 21,848,680.01-30,161,382.06-12,679,551.29

Finding the Fourth Proportional to 21,848,680.01, 30,161,382.06 and 12,679,551.29

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Solution

The fourth proportional to 21,848,680.01, 30,161,382.06 and 12,679,551.29 is: 17,503,702.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,848,680.01 : 30,161,382.06 = 12,679,551.29 : x
  2. Step 2: Convert to fraction form
    21,848,680.01/30,161,382.06 = 12,679,551.29/x
  3. Step 3: Cross multiply
    21,848,680.01x = 30,161,382.06 × 12,679,551.29
  4. Step 4: Simplify right side
    21,848,680.01x = 382,432,790,656,248.94
  5. Step 5: Solve for x
    x = 382,432,790,656,248.94/21,848,680.01
  6. Step 6: Final answer
    x = 17,503,702.31

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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.