Home / 12,097,206.20-18,145,809.40-8,265,193.40

Finding the Fourth Proportional to 12,097,206.20, 18,145,809.40 and 8,265,193.40

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Solution

The fourth proportional to 12,097,206.20, 18,145,809.40 and 8,265,193.40 is: 12,397,790.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,097,206.20 : 18,145,809.40 = 8,265,193.40 : x
  2. Step 2: Convert to fraction form
    12,097,206.20/18,145,809.40 = 8,265,193.40/x
  3. Step 3: Cross multiply
    12,097,206.20x = 18,145,809.40 × 8,265,193.40
  4. Step 4: Simplify right side
    12,097,206.20x = 149,978,624,090,537.97
  5. Step 5: Solve for x
    x = 149,978,624,090,537.97/12,097,206.20
  6. Step 6: Final answer
    x = 12,397,790.17

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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.