Home / 14,688,416.97-20,269,610.73-8,161,879.23

Finding the Fourth Proportional to 14,688,416.97, 20,269,610.73 and 8,161,879.23

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Solution

The fourth proportional to 14,688,416.97, 20,269,610.73 and 8,161,879.23 is: 11,263,168.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,688,416.97 : 20,269,610.73 = 8,161,879.23 : x
  2. Step 2: Convert to fraction form
    14,688,416.97/20,269,610.73 = 8,161,879.23/x
  3. Step 3: Cross multiply
    14,688,416.97x = 20,269,610.73 × 8,161,879.23
  4. Step 4: Simplify right side
    14,688,416.97x = 165,438,114,817,372.16
  5. Step 5: Solve for x
    x = 165,438,114,817,372.16/14,688,416.97
  6. Step 6: Final answer
    x = 11,263,168.47

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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.