Home / 13,107,888.46-18,081,478.56-8,204,598.01

Finding the Fourth Proportional to 13,107,888.46, 18,081,478.56 and 8,204,598.01

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Solution

The fourth proportional to 13,107,888.46, 18,081,478.56 and 8,204,598.01 is: 11,317,708.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,107,888.46 : 18,081,478.56 = 8,204,598.01 : x
  2. Step 2: Convert to fraction form
    13,107,888.46/18,081,478.56 = 8,204,598.01/x
  3. Step 3: Cross multiply
    13,107,888.46x = 18,081,478.56 × 8,204,598.01
  4. Step 4: Simplify right side
    13,107,888.46x = 148,351,263,011,233.66
  5. Step 5: Solve for x
    x = 148,351,263,011,233.66/13,107,888.46
  6. Step 6: Final answer
    x = 11,317,708.68

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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.