Home / 6,403,900.14-8,837,451.96-3,503,228.76

Finding the Fourth Proportional to 6,403,900.14, 8,837,451.96 and 3,503,228.76

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Solution

The fourth proportional to 6,403,900.14, 8,837,451.96 and 3,503,228.76 is: 4,834,493.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,403,900.14 : 8,837,451.96 = 3,503,228.76 : x
  2. Step 2: Convert to fraction form
    6,403,900.14/8,837,451.96 = 3,503,228.76/x
  3. Step 3: Cross multiply
    6,403,900.14x = 8,837,451.96 × 3,503,228.76
  4. Step 4: Simplify right side
    6,403,900.14x = 30,959,615,871,390.37
  5. Step 5: Solve for x
    x = 30,959,615,871,390.37/6,403,900.14
  6. Step 6: Final answer
    x = 4,834,493.85

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Double scale
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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.