Home / 13,317,824.22-18,381,668.62-7,812,967.52

Finding the Fourth Proportional to 13,317,824.22, 18,381,668.62 and 7,812,967.52

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Solution

The fourth proportional to 13,317,824.22, 18,381,668.62 and 7,812,967.52 is: 10,783,696.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,317,824.22 : 18,381,668.62 = 7,812,967.52 : x
  2. Step 2: Convert to fraction form
    13,317,824.22/18,381,668.62 = 7,812,967.52/x
  3. Step 3: Cross multiply
    13,317,824.22x = 18,381,668.62 × 7,812,967.52
  4. Step 4: Simplify right side
    13,317,824.22x = 143,615,379,891,463.22
  5. Step 5: Solve for x
    x = 143,615,379,891,463.22/13,317,824.22
  6. Step 6: Final answer
    x = 10,783,696.91

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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.