Home / 22,453,440.30-30,985,685.83-12,530,216.90

Finding the Fourth Proportional to 22,453,440.30, 30,985,685.83 and 12,530,216.90

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Solution

The fourth proportional to 22,453,440.30, 30,985,685.83 and 12,530,216.90 is: 17,291,664.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,453,440.30 : 30,985,685.83 = 12,530,216.90 : x
  2. Step 2: Convert to fraction form
    22,453,440.30/30,985,685.83 = 12,530,216.90/x
  3. Step 3: Cross multiply
    22,453,440.30x = 30,985,685.83 × 12,530,216.90
  4. Step 4: Simplify right side
    22,453,440.30x = 388,257,364,338,283.50
  5. Step 5: Solve for x
    x = 388,257,364,338,283.50/22,453,440.30
  6. Step 6: Final answer
    x = 17,291,664.85

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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.