Home / 8,589,904.38-12,884,856.56-2,606,272.38

Finding the Fourth Proportional to 8,589,904.38, 12,884,856.56 and 2,606,272.38

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Solution

The fourth proportional to 8,589,904.38, 12,884,856.56 and 2,606,272.38 is: 3,909,408.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,589,904.38 : 12,884,856.56 = 2,606,272.38 : x
  2. Step 2: Convert to fraction form
    8,589,904.38/12,884,856.56 = 2,606,272.38/x
  3. Step 3: Cross multiply
    8,589,904.38x = 12,884,856.56 × 2,606,272.38
  4. Step 4: Simplify right side
    8,589,904.38x = 33,581,445,772,589.81
  5. Step 5: Solve for x
    x = 33,581,445,772,589.81/8,589,904.38
  6. Step 6: Final answer
    x = 3,909,408.57

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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.