Home / 22,453,442.30-30,985,688.60-12,530,218.90

Finding the Fourth Proportional to 22,453,442.30, 30,985,688.60 and 12,530,218.90

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Solution

The fourth proportional to 22,453,442.30, 30,985,688.60 and 12,530,218.90 is: 17,291,667.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,453,442.30 : 30,985,688.60 = 12,530,218.90 : x
  2. Step 2: Convert to fraction form
    22,453,442.30/30,985,688.60 = 12,530,218.90/x
  3. Step 3: Cross multiply
    22,453,442.30x = 30,985,688.60 × 12,530,218.90
  4. Step 4: Simplify right side
    22,453,442.30x = 388,257,460,925,234.56
  5. Step 5: Solve for x
    x = 388,257,460,925,234.56/22,453,442.30
  6. Step 6: Final answer
    x = 17,291,667.61

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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.