Home / 7,408,977.70-11,113,404.13-5,791,107.39

Finding the Fourth Proportional to 7,408,977.70, 11,113,404.13 and 5,791,107.39

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Solution

The fourth proportional to 7,408,977.70, 11,113,404.13 and 5,791,107.39 is: 8,686,612.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,408,977.70 : 11,113,404.13 = 5,791,107.39 : x
  2. Step 2: Convert to fraction form
    7,408,977.70/11,113,404.13 = 5,791,107.39/x
  3. Step 3: Cross multiply
    7,408,977.70x = 11,113,404.13 × 5,791,107.39
  4. Step 4: Simplify right side
    7,408,977.70x = 64,358,916,834,213.66
  5. Step 5: Solve for x
    x = 64,358,916,834,213.66/7,408,977.70
  6. Step 6: Final answer
    x = 8,686,612.30

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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.