Home / 12,616,255.68-18,924,111.96-3,518,111.09

Finding the Fourth Proportional to 12,616,255.68, 18,924,111.96 and 3,518,111.09

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Solution

The fourth proportional to 12,616,255.68, 18,924,111.96 and 3,518,111.09 is: 5,277,090.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,616,255.68 : 18,924,111.96 = 3,518,111.09 : x
  2. Step 2: Convert to fraction form
    12,616,255.68/18,924,111.96 = 3,518,111.09/x
  3. Step 3: Cross multiply
    12,616,255.68x = 18,924,111.96 × 3,518,111.09
  4. Step 4: Simplify right side
    12,616,255.68x = 66,577,128,060,257.08
  5. Step 5: Solve for x
    x = 66,577,128,060,257.08/12,616,255.68
  6. Step 6: Final answer
    x = 5,277,090.90

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.