Home / 20,736,004.30-31,089,260.85-7,951,569.10

Finding the Fourth Proportional to 20,736,004.30, 31,089,260.85 and 7,951,569.10

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Solution

The fourth proportional to 20,736,004.30, 31,089,260.85 and 7,951,569.10 is: 11,921,699.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,736,004.30 : 31,089,260.85 = 7,951,569.10 : x
  2. Step 2: Convert to fraction form
    20,736,004.30/31,089,260.85 = 7,951,569.10/x
  3. Step 3: Cross multiply
    20,736,004.30x = 31,089,260.85 × 7,951,569.10
  4. Step 4: Simplify right side
    20,736,004.30x = 247,208,405,916,699.75
  5. Step 5: Solve for x
    x = 247,208,405,916,699.75/20,736,004.30
  6. Step 6: Final answer
    x = 11,921,699.20

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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.