Home / 21,652,702.12-29,880,728.22-11,863,517.16

Finding the Fourth Proportional to 21,652,702.12, 29,880,728.22 and 11,863,517.16

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Solution

The fourth proportional to 21,652,702.12, 29,880,728.22 and 11,863,517.16 is: 16,371,653.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,652,702.12 : 29,880,728.22 = 11,863,517.16 : x
  2. Step 2: Convert to fraction form
    21,652,702.12/29,880,728.22 = 11,863,517.16/x
  3. Step 3: Cross multiply
    21,652,702.12x = 29,880,728.22 × 11,863,517.16
  4. Step 4: Simplify right side
    21,652,702.12x = 354,490,531,991,266.25
  5. Step 5: Solve for x
    x = 354,490,531,991,266.25/21,652,702.12
  6. Step 6: Final answer
    x = 16,371,653.29

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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.