Home / 9,873,856.76-13,628,819.04-5,744,859.08

Finding the Fourth Proportional to 9,873,856.76, 13,628,819.04 and 5,744,859.08

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Solution

The fourth proportional to 9,873,856.76, 13,628,819.04 and 5,744,859.08 is: 7,929,590.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,873,856.76 : 13,628,819.04 = 5,744,859.08 : x
  2. Step 2: Convert to fraction form
    9,873,856.76/13,628,819.04 = 5,744,859.08/x
  3. Step 3: Cross multiply
    9,873,856.76x = 13,628,819.04 × 5,744,859.08
  4. Step 4: Simplify right side
    9,873,856.76x = 78,295,644,811,620.88
  5. Step 5: Solve for x
    x = 78,295,644,811,620.88/9,873,856.76
  6. Step 6: Final answer
    x = 7,929,590.91

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.