Home / 13,049,204.32-18,014,447.20-8,157,147.68

Finding the Fourth Proportional to 13,049,204.32, 18,014,447.20 and 8,157,147.68

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Solution

The fourth proportional to 13,049,204.32, 18,014,447.20 and 8,157,147.68 is: 11,260,955.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,049,204.32 : 18,014,447.20 = 8,157,147.68 : x
  2. Step 2: Convert to fraction form
    13,049,204.32/18,014,447.20 = 8,157,147.68/x
  3. Step 3: Cross multiply
    13,049,204.32x = 18,014,447.20 × 8,157,147.68
  4. Step 4: Simplify right side
    13,049,204.32x = 146,946,506,183,962.50
  5. Step 5: Solve for x
    x = 146,946,506,183,962.50/13,049,204.32
  6. Step 6: Final answer
    x = 11,260,955.27

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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.