Home / 15,342,415.21-21,172,489.59-8,466,848.11

Finding the Fourth Proportional to 15,342,415.21, 21,172,489.59 and 8,466,848.11

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Solution

The fourth proportional to 15,342,415.21, 21,172,489.59 and 8,466,848.11 is: 11,684,226.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,342,415.21 : 21,172,489.59 = 8,466,848.11 : x
  2. Step 2: Convert to fraction form
    15,342,415.21/21,172,489.59 = 8,466,848.11/x
  3. Step 3: Cross multiply
    15,342,415.21x = 21,172,489.59 × 8,466,848.11
  4. Step 4: Simplify right side
    15,342,415.21x = 179,264,253,469,086.16
  5. Step 5: Solve for x
    x = 179,264,253,469,086.16/15,342,415.21
  6. Step 6: Final answer
    x = 11,684,226.44

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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.