Home / 15,422,835.92-21,283,513.55-8,547,760.85

Finding the Fourth Proportional to 15,422,835.92, 21,283,513.55 and 8,547,760.85

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Solution

The fourth proportional to 15,422,835.92, 21,283,513.55 and 8,547,760.85 is: 11,795,909.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,422,835.92 : 21,283,513.55 = 8,547,760.85 : x
  2. Step 2: Convert to fraction form
    15,422,835.92/21,283,513.55 = 8,547,760.85/x
  3. Step 3: Cross multiply
    15,422,835.92x = 21,283,513.55 × 8,547,760.85
  4. Step 4: Simplify right side
    15,422,835.92x = 181,926,383,723,978.19
  5. Step 5: Solve for x
    x = 181,926,383,723,978.19/15,422,835.92
  6. Step 6: Final answer
    x = 11,795,909.96

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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.