Home / 20,626,717.56-28,463,204.06-11,925,451.02

Finding the Fourth Proportional to 20,626,717.56, 28,463,204.06 and 11,925,451.02

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Solution

The fourth proportional to 20,626,717.56, 28,463,204.06 and 11,925,451.02 is: 16,456,159.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,626,717.56 : 28,463,204.06 = 11,925,451.02 : x
  2. Step 2: Convert to fraction form
    20,626,717.56/28,463,204.06 = 11,925,451.02/x
  3. Step 3: Cross multiply
    20,626,717.56x = 28,463,204.06 × 11,925,451.02
  4. Step 4: Simplify right side
    20,626,717.56x = 339,436,545,889,795.12
  5. Step 5: Solve for x
    x = 339,436,545,889,795.12/20,626,717.56
  6. Step 6: Final answer
    x = 16,456,159.10

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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.