Home / 21,848,680.37-30,161,382.58-12,679,551.65

Finding the Fourth Proportional to 21,848,680.37, 30,161,382.58 and 12,679,551.65

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Solution

The fourth proportional to 21,848,680.37, 30,161,382.58 and 12,679,551.65 is: 17,503,702.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,848,680.37 : 30,161,382.58 = 12,679,551.65 : x
  2. Step 2: Convert to fraction form
    21,848,680.37/30,161,382.58 = 12,679,551.65/x
  3. Step 3: Cross multiply
    21,848,680.37x = 30,161,382.58 × 12,679,551.65
  4. Step 4: Simplify right side
    21,848,680.37x = 382,432,808,258,520.25
  5. Step 5: Solve for x
    x = 382,432,808,258,520.25/21,848,680.37
  6. Step 6: Final answer
    x = 17,503,702.82

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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.