Home / 6,463,006.80-9,689,844.60-4,220,408.40

Finding the Fourth Proportional to 6,463,006.80, 9,689,844.60 and 4,220,408.40

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Solution

The fourth proportional to 6,463,006.80, 9,689,844.60 and 4,220,408.40 is: 6,327,565.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,463,006.80 : 9,689,844.60 = 4,220,408.40 : x
  2. Step 2: Convert to fraction form
    6,463,006.80/9,689,844.60 = 4,220,408.40/x
  3. Step 3: Cross multiply
    6,463,006.80x = 9,689,844.60 × 4,220,408.40
  4. Step 4: Simplify right side
    6,463,006.80x = 40,895,101,544,534.64
  5. Step 5: Solve for x
    x = 40,895,101,544,534.64/6,463,006.80
  6. Step 6: Final answer
    x = 6,327,565.92

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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.