Home / 13,445,998.20-20,144,940.30-8,178,244.20

Finding the Fourth Proportional to 13,445,998.20, 20,144,940.30 and 8,178,244.20

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Solution

The fourth proportional to 13,445,998.20, 20,144,940.30 and 8,178,244.20 is: 12,252,734.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,445,998.20 : 20,144,940.30 = 8,178,244.20 : x
  2. Step 2: Convert to fraction form
    13,445,998.20/20,144,940.30 = 8,178,244.20/x
  3. Step 3: Cross multiply
    13,445,998.20x = 20,144,940.30 × 8,178,244.20
  4. Step 4: Simplify right side
    13,445,998.20x = 164,750,241,167,821.28
  5. Step 5: Solve for x
    x = 164,750,241,167,821.28/13,445,998.20
  6. Step 6: Final answer
    x = 12,252,734.14

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1.5x scale

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.