Home / 12,096,172.20-18,144,258.30-9,072,863.40

Finding the Fourth Proportional to 12,096,172.20, 18,144,258.30 and 9,072,863.40

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Solution

The fourth proportional to 12,096,172.20, 18,144,258.30 and 9,072,863.40 is: 13,609,295.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,096,172.20 : 18,144,258.30 = 9,072,863.40 : x
  2. Step 2: Convert to fraction form
    12,096,172.20/18,144,258.30 = 9,072,863.40/x
  3. Step 3: Cross multiply
    12,096,172.20x = 18,144,258.30 × 9,072,863.40
  4. Step 4: Simplify right side
    12,096,172.20x = 164,620,377,050,216.22
  5. Step 5: Solve for x
    x = 164,620,377,050,216.22/12,096,172.20
  6. Step 6: Final answer
    x = 13,609,295.10

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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.