Home / 20,453,858.10-28,226,923.10-11,162,026.90

Finding the Fourth Proportional to 20,453,858.10, 28,226,923.10 and 11,162,026.90

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Solution

The fourth proportional to 20,453,858.10, 28,226,923.10 and 11,162,026.90 is: 15,403,923.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,453,858.10 : 28,226,923.10 = 11,162,026.90 : x
  2. Step 2: Convert to fraction form
    20,453,858.10/28,226,923.10 = 11,162,026.90/x
  3. Step 3: Cross multiply
    20,453,858.10x = 28,226,923.10 × 11,162,026.90
  4. Step 4: Simplify right side
    20,453,858.10x = 315,069,674,946,431.44
  5. Step 5: Solve for x
    x = 315,069,674,946,431.44/20,453,858.10
  6. Step 6: Final answer
    x = 15,403,923.96

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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.