Home / 7,689,893.55-11,535,987.12-2,831,826.42

Finding the Fourth Proportional to 7,689,893.55, 11,535,987.12 and 2,831,826.42

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Solution

The fourth proportional to 7,689,893.55, 11,535,987.12 and 2,831,826.42 is: 4,248,161.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,689,893.55 : 11,535,987.12 = 2,831,826.42 : x
  2. Step 2: Convert to fraction form
    7,689,893.55/11,535,987.12 = 2,831,826.42/x
  3. Step 3: Cross multiply
    7,689,893.55x = 11,535,987.12 × 2,831,826.42
  4. Step 4: Simplify right side
    7,689,893.55x = 32,667,913,107,195.71
  5. Step 5: Solve for x
    x = 32,667,913,107,195.71/7,689,893.55
  6. Step 6: Final answer
    x = 4,248,161.94

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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.