Home / 7,800,107.76-11,693,820.01-3,254,542.40

Finding the Fourth Proportional to 7,800,107.76, 11,693,820.01 and 3,254,542.40

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Solution

The fourth proportional to 7,800,107.76, 11,693,820.01 and 3,254,542.40 is: 4,879,167.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,800,107.76 : 11,693,820.01 = 3,254,542.40 : x
  2. Step 2: Convert to fraction form
    7,800,107.76/11,693,820.01 = 3,254,542.40/x
  3. Step 3: Cross multiply
    7,800,107.76x = 11,693,820.01 × 3,254,542.40
  4. Step 4: Simplify right side
    7,800,107.76x = 38,058,033,040,513.42
  5. Step 5: Solve for x
    x = 38,058,033,040,513.42/7,800,107.76
  6. Step 6: Final answer
    x = 4,879,167.60

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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.