Home / 9,342,520.29-12,892,660.10-5,212,305.66

Finding the Fourth Proportional to 9,342,520.29, 12,892,660.10 and 5,212,305.66

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Solution

The fourth proportional to 9,342,520.29, 12,892,660.10 and 5,212,305.66 is: 7,192,971.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,342,520.29 : 12,892,660.10 = 5,212,305.66 : x
  2. Step 2: Convert to fraction form
    9,342,520.29/12,892,660.10 = 5,212,305.66/x
  3. Step 3: Cross multiply
    9,342,520.29x = 12,892,660.10 × 5,212,305.66
  4. Step 4: Simplify right side
    9,342,520.29x = 67,200,485,185,624.64
  5. Step 5: Solve for x
    x = 67,200,485,185,624.64/9,342,520.29
  6. Step 6: Final answer
    x = 7,192,971.82

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.