Home / 28,376,676.14-42,565,014.77-6,811,277.82

Finding the Fourth Proportional to 28,376,676.14, 42,565,014.77 and 6,811,277.82

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Solution

The fourth proportional to 28,376,676.14, 42,565,014.77 and 6,811,277.82 is: 10,216,916.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,376,676.14 : 42,565,014.77 = 6,811,277.82 : x
  2. Step 2: Convert to fraction form
    28,376,676.14/42,565,014.77 = 6,811,277.82/x
  3. Step 3: Cross multiply
    28,376,676.14x = 42,565,014.77 × 6,811,277.82
  4. Step 4: Simplify right side
    28,376,676.14x = 289,922,140,976,817
  5. Step 5: Solve for x
    x = 289,922,140,976,817/28,376,676.14
  6. Step 6: Final answer
    x = 10,216,916.87

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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.