Home / 21,664,805.76-32,490,665.28-6,514,715.52

Finding the Fourth Proportional to 21,664,805.76, 32,490,665.28 and 6,514,715.52

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Solution

The fourth proportional to 21,664,805.76, 32,490,665.28 and 6,514,715.52 is: 9,770,105.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,664,805.76 : 32,490,665.28 = 6,514,715.52 : x
  2. Step 2: Convert to fraction form
    21,664,805.76/32,490,665.28 = 6,514,715.52/x
  3. Step 3: Cross multiply
    21,664,805.76x = 32,490,665.28 × 6,514,715.52
  4. Step 4: Simplify right side
    21,664,805.76x = 211,667,441,354,741.12
  5. Step 5: Solve for x
    x = 211,667,441,354,741.12/21,664,805.76
  6. Step 6: Final answer
    x = 9,770,105.66

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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.