Home / 11,690,608.10-16,132,531.73-6,392,205.86

Finding the Fourth Proportional to 11,690,608.10, 16,132,531.73 and 6,392,205.86

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Solution

The fourth proportional to 11,690,608.10, 16,132,531.73 and 6,392,205.86 is: 8,820,966.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,690,608.10 : 16,132,531.73 = 6,392,205.86 : x
  2. Step 2: Convert to fraction form
    11,690,608.10/16,132,531.73 = 6,392,205.86/x
  3. Step 3: Cross multiply
    11,690,608.10x = 16,132,531.73 × 6,392,205.86
  4. Step 4: Simplify right side
    11,690,608.10x = 103,122,463,748,518.25
  5. Step 5: Solve for x
    x = 103,122,463,748,518.25/11,690,608.10
  6. Step 6: Final answer
    x = 8,820,966.62

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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.