Home / 19,023,321.84-28,535,918.76-7,662,234.48

Finding the Fourth Proportional to 19,023,321.84, 28,535,918.76 and 7,662,234.48

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Solution

The fourth proportional to 19,023,321.84, 28,535,918.76 and 7,662,234.48 is: 11,493,728.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,023,321.84 : 28,535,918.76 = 7,662,234.48 : x
  2. Step 2: Convert to fraction form
    19,023,321.84/28,535,918.76 = 7,662,234.48/x
  3. Step 3: Cross multiply
    19,023,321.84x = 28,535,918.76 × 7,662,234.48
  4. Step 4: Simplify right side
    19,023,321.84x = 218,648,900,641,350.88
  5. Step 5: Solve for x
    x = 218,648,900,641,350.88/19,023,321.84
  6. Step 6: Final answer
    x = 11,493,728.72

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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.