Home / 8,940,342-12,337,671.96-4,865,990.16

Finding the Fourth Proportional to 8,940,342, 12,337,671.96 and 4,865,990.16

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Solution

The fourth proportional to 8,940,342, 12,337,671.96 and 4,865,990.16 is: 6,715,066.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,940,342 : 12,337,671.96 = 4,865,990.16 : x
  2. Step 2: Convert to fraction form
    8,940,342/12,337,671.96 = 4,865,990.16/x
  3. Step 3: Cross multiply
    8,940,342x = 12,337,671.96 × 4,865,990.16
  4. Step 4: Simplify right side
    8,940,342x = 60,034,990,354,667.92
  5. Step 5: Solve for x
    x = 60,034,990,354,667.92/8,940,342
  6. Step 6: Final answer
    x = 6,715,066.42

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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.