Home / 39,786,873-59,680,309.62-12,860,529

Finding the Fourth Proportional to 39,786,873, 59,680,309.62 and 12,860,529

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Solution

The fourth proportional to 39,786,873, 59,680,309.62 and 12,860,529 is: 19,290,793.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,786,873 : 59,680,309.62 = 12,860,529 : x
  2. Step 2: Convert to fraction form
    39,786,873/59,680,309.62 = 12,860,529/x
  3. Step 3: Cross multiply
    39,786,873x = 59,680,309.62 × 12,860,529
  4. Step 4: Simplify right side
    39,786,873x = 767,520,352,596,989
  5. Step 5: Solve for x
    x = 767,520,352,596,989/39,786,873
  6. Step 6: Final answer
    x = 19,290,793.54

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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.