Home / 8,172,895.32-11,278,178.85-4,501,732.86

Finding the Fourth Proportional to 8,172,895.32, 11,278,178.85 and 4,501,732.86

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Solution

The fourth proportional to 8,172,895.32, 11,278,178.85 and 4,501,732.86 is: 6,212,161.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,172,895.32 : 11,278,178.85 = 4,501,732.86 : x
  2. Step 2: Convert to fraction form
    8,172,895.32/11,278,178.85 = 4,501,732.86/x
  3. Step 3: Cross multiply
    8,172,895.32x = 11,278,178.85 × 4,501,732.86
  4. Step 4: Simplify right side
    8,172,895.32x = 50,771,348,330,002.02
  5. Step 5: Solve for x
    x = 50,771,348,330,002.02/8,172,895.32
  6. Step 6: Final answer
    x = 6,212,161.83

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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.