Home / 12,822,774.26-17,659,745.97-9,911,439.86

Finding the Fourth Proportional to 12,822,774.26, 17,659,745.97 and 9,911,439.86

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Solution

The fourth proportional to 12,822,774.26, 17,659,745.97 and 9,911,439.86 is: 13,650,206.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,822,774.26 : 17,659,745.97 = 9,911,439.86 : x
  2. Step 2: Convert to fraction form
    12,822,774.26/17,659,745.97 = 9,911,439.86/x
  3. Step 3: Cross multiply
    12,822,774.26x = 17,659,745.97 × 9,911,439.86
  4. Step 4: Simplify right side
    12,822,774.26x = 175,033,510,124,532.34
  5. Step 5: Solve for x
    x = 175,033,510,124,532.34/12,822,774.26
  6. Step 6: Final answer
    x = 13,650,206.00

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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.