Home / 15,268,522.82-21,070,702.59-8,299,216.76

Finding the Fourth Proportional to 15,268,522.82, 21,070,702.59 and 8,299,216.76

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Solution

The fourth proportional to 15,268,522.82, 21,070,702.59 and 8,299,216.76 is: 11,452,995.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,268,522.82 : 21,070,702.59 = 8,299,216.76 : x
  2. Step 2: Convert to fraction form
    15,268,522.82/21,070,702.59 = 8,299,216.76/x
  3. Step 3: Cross multiply
    15,268,522.82x = 21,070,702.59 × 8,299,216.76
  4. Step 4: Simplify right side
    15,268,522.82x = 174,870,328,005,671.97
  5. Step 5: Solve for x
    x = 174,870,328,005,671.97/15,268,522.82
  6. Step 6: Final answer
    x = 11,452,995.82

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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.