Home / 7,876,905.76-11,814,308.70-2,196,654.40

Finding the Fourth Proportional to 7,876,905.76, 11,814,308.70 and 2,196,654.40

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Solution

The fourth proportional to 7,876,905.76, 11,814,308.70 and 2,196,654.40 is: 3,294,688.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,876,905.76 : 11,814,308.70 = 2,196,654.40 : x
  2. Step 2: Convert to fraction form
    7,876,905.76/11,814,308.70 = 2,196,654.40/x
  3. Step 3: Cross multiply
    7,876,905.76x = 11,814,308.70 × 2,196,654.40
  4. Step 4: Simplify right side
    7,876,905.76x = 25,951,953,188,813.28
  5. Step 5: Solve for x
    x = 25,951,953,188,813.28/7,876,905.76
  6. Step 6: Final answer
    x = 3,294,688.80

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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.