Home / 7,485,383.40-11,207,079.90-7,275,431.40

Finding the Fourth Proportional to 7,485,383.40, 11,207,079.90 and 7,275,431.40

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Solution

The fourth proportional to 7,485,383.40, 11,207,079.90 and 7,275,431.40 is: 10,892,740.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,485,383.40 : 11,207,079.90 = 7,275,431.40 : x
  2. Step 2: Convert to fraction form
    7,485,383.40/11,207,079.90 = 7,275,431.40/x
  3. Step 3: Cross multiply
    7,485,383.40x = 11,207,079.90 × 7,275,431.40
  4. Step 4: Simplify right side
    7,485,383.40x = 81,536,341,006,768.86
  5. Step 5: Solve for x
    x = 81,536,341,006,768.86/7,485,383.40
  6. Step 6: Final answer
    x = 10,892,740.78

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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.