Home / 28,376,672.08-42,565,008.69-6,811,273.76

Finding the Fourth Proportional to 28,376,672.08, 42,565,008.69 and 6,811,273.76

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Solution

The fourth proportional to 28,376,672.08, 42,565,008.69 and 6,811,273.76 is: 10,216,910.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,376,672.08 : 42,565,008.69 = 6,811,273.76 : x
  2. Step 2: Convert to fraction form
    28,376,672.08/42,565,008.69 = 6,811,273.76/x
  3. Step 3: Cross multiply
    28,376,672.08x = 42,565,008.69 × 6,811,273.76
  4. Step 4: Simplify right side
    28,376,672.08x = 289,921,926,784,368.94
  5. Step 5: Solve for x
    x = 289,921,926,784,368.94/28,376,672.08
  6. Step 6: Final answer
    x = 10,216,910.78

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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.