Home / 10,684,615.78-15,949,557.52-9,391,774.84

Finding the Fourth Proportional to 10,684,615.78, 15,949,557.52 and 9,391,774.84

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Solution

The fourth proportional to 10,684,615.78, 15,949,557.52 and 9,391,774.84 is: 14,019,657.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,684,615.78 : 15,949,557.52 = 9,391,774.84 : x
  2. Step 2: Convert to fraction form
    10,684,615.78/15,949,557.52 = 9,391,774.84/x
  3. Step 3: Cross multiply
    10,684,615.78x = 15,949,557.52 × 9,391,774.84
  4. Step 4: Simplify right side
    10,684,615.78x = 149,794,653,025,468.78
  5. Step 5: Solve for x
    x = 149,794,653,025,468.78/10,684,615.78
  6. Step 6: Final answer
    x = 14,019,657.43

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.