Home / 8,411,123.70-12,622,590.45-3,622,249.80

Finding the Fourth Proportional to 8,411,123.70, 12,622,590.45 and 3,622,249.80

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Solution

The fourth proportional to 8,411,123.70, 12,622,590.45 and 3,622,249.80 is: 5,435,917.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,411,123.70 : 12,622,590.45 = 3,622,249.80 : x
  2. Step 2: Convert to fraction form
    8,411,123.70/12,622,590.45 = 3,622,249.80/x
  3. Step 3: Cross multiply
    8,411,123.70x = 12,622,590.45 × 3,622,249.80
  4. Step 4: Simplify right side
    8,411,123.70x = 45,722,175,732,994.41
  5. Step 5: Solve for x
    x = 45,722,175,732,994.41/8,411,123.70
  6. Step 6: Final answer
    x = 5,435,917.64

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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.