Home / 12,097,207.80-18,145,811.70-8,066,129.40

Finding the Fourth Proportional to 12,097,207.80, 18,145,811.70 and 8,066,129.40

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Solution

The fourth proportional to 12,097,207.80, 18,145,811.70 and 8,066,129.40 is: 12,099,194.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,097,207.80 : 18,145,811.70 = 8,066,129.40 : x
  2. Step 2: Convert to fraction form
    12,097,207.80/18,145,811.70 = 8,066,129.40/x
  3. Step 3: Cross multiply
    12,097,207.80x = 18,145,811.70 × 8,066,129.40
  4. Step 4: Simplify right side
    12,097,207.80x = 146,366,465,240,233.97
  5. Step 5: Solve for x
    x = 146,366,465,240,233.97/12,097,207.80
  6. Step 6: Final answer
    x = 12,099,194.10

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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.