Home / 20,996,979.60-31,495,469.40-5,850,911.10

Finding the Fourth Proportional to 20,996,979.60, 31,495,469.40 and 5,850,911.10

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Solution

The fourth proportional to 20,996,979.60, 31,495,469.40 and 5,850,911.10 is: 8,776,366.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,996,979.60 : 31,495,469.40 = 5,850,911.10 : x
  2. Step 2: Convert to fraction form
    20,996,979.60/31,495,469.40 = 5,850,911.10/x
  3. Step 3: Cross multiply
    20,996,979.60x = 31,495,469.40 × 5,850,911.10
  4. Step 4: Simplify right side
    20,996,979.60x = 184,277,191,512,170.31
  5. Step 5: Solve for x
    x = 184,277,191,512,170.31/20,996,979.60
  6. Step 6: Final answer
    x = 8,776,366.65

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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.