Home / 15,241,754.21-21,033,640.64-8,272,431.32

Finding the Fourth Proportional to 15,241,754.21, 21,033,640.64 and 8,272,431.32

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Solution

The fourth proportional to 15,241,754.21, 21,033,640.64 and 8,272,431.32 is: 11,415,965.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,241,754.21 : 21,033,640.64 = 8,272,431.32 : x
  2. Step 2: Convert to fraction form
    15,241,754.21/21,033,640.64 = 8,272,431.32/x
  3. Step 3: Cross multiply
    15,241,754.21x = 21,033,640.64 × 8,272,431.32
  4. Step 4: Simplify right side
    15,241,754.21x = 173,999,347,519,473.72
  5. Step 5: Solve for x
    x = 173,999,347,519,473.72/15,241,754.21
  6. Step 6: Final answer
    x = 11,415,965.98

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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.