Home / 7,876,833.66-11,817,350.82-2,828,187.90

Finding the Fourth Proportional to 7,876,833.66, 11,817,350.82 and 2,828,187.90

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Solution

The fourth proportional to 7,876,833.66, 11,817,350.82 and 2,828,187.90 is: 4,243,035.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,876,833.66 : 11,817,350.82 = 2,828,187.90 : x
  2. Step 2: Convert to fraction form
    7,876,833.66/11,817,350.82 = 2,828,187.90/x
  3. Step 3: Cross multiply
    7,876,833.66x = 11,817,350.82 × 2,828,187.90
  4. Step 4: Simplify right side
    7,876,833.66x = 33,421,688,599,179.08
  5. Step 5: Solve for x
    x = 33,421,688,599,179.08/7,876,833.66
  6. Step 6: Final answer
    x = 4,243,035.98

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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.