Home / 20,534,955.50-28,339,812.48-11,714,600.99

Finding the Fourth Proportional to 20,534,955.50, 28,339,812.48 and 11,714,600.99

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Solution

The fourth proportional to 20,534,955.50, 28,339,812.48 and 11,714,600.99 is: 16,167,047.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,534,955.50 : 28,339,812.48 = 11,714,600.99 : x
  2. Step 2: Convert to fraction form
    20,534,955.50/28,339,812.48 = 11,714,600.99/x
  3. Step 3: Cross multiply
    20,534,955.50x = 28,339,812.48 × 11,714,600.99
  4. Step 4: Simplify right side
    20,534,955.50x = 331,989,595,224,095.56
  5. Step 5: Solve for x
    x = 331,989,595,224,095.56/20,534,955.50
  6. Step 6: Final answer
    x = 16,167,047.22

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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.