Home / 7,782,222.96-11,691,048.76-5,629,886.92

Finding the Fourth Proportional to 7,782,222.96, 11,691,048.76 and 5,629,886.92

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Solution

The fourth proportional to 7,782,222.96, 11,691,048.76 and 5,629,886.92 is: 8,457,645.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,782,222.96 : 11,691,048.76 = 5,629,886.92 : x
  2. Step 2: Convert to fraction form
    7,782,222.96/11,691,048.76 = 5,629,886.92/x
  3. Step 3: Cross multiply
    7,782,222.96x = 11,691,048.76 × 5,629,886.92
  4. Step 4: Simplify right side
    7,782,222.96x = 65,819,282,495,006.22
  5. Step 5: Solve for x
    x = 65,819,282,495,006.22/7,782,222.96
  6. Step 6: Final answer
    x = 8,457,645.44

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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.