Home / 7,876,898.70-11,814,298.20-2,196,647.34

Finding the Fourth Proportional to 7,876,898.70, 11,814,298.20 and 2,196,647.34

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Solution

The fourth proportional to 7,876,898.70, 11,814,298.20 and 2,196,647.34 is: 3,294,678.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,876,898.70 : 11,814,298.20 = 2,196,647.34 : x
  2. Step 2: Convert to fraction form
    7,876,898.70/11,814,298.20 = 2,196,647.34/x
  3. Step 3: Cross multiply
    7,876,898.70x = 11,814,298.20 × 2,196,647.34
  4. Step 4: Simplify right side
    7,876,898.70x = 25,951,846,714,996.79
  5. Step 5: Solve for x
    x = 25,951,846,714,996.79/7,876,898.70
  6. Step 6: Final answer
    x = 3,294,678.24

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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.