Home / 12,850,902.74-19,281,400.64-5,657,389.54

Finding the Fourth Proportional to 12,850,902.74, 19,281,400.64 and 5,657,389.54

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Solution

The fourth proportional to 12,850,902.74, 19,281,400.64 and 5,657,389.54 is: 8,488,305.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,850,902.74 : 19,281,400.64 = 5,657,389.54 : x
  2. Step 2: Convert to fraction form
    12,850,902.74/19,281,400.64 = 5,657,389.54/x
  3. Step 3: Cross multiply
    12,850,902.74x = 19,281,400.64 × 5,657,389.54
  4. Step 4: Simplify right side
    12,850,902.74x = 109,082,394,297,285.31
  5. Step 5: Solve for x
    x = 109,082,394,297,285.31/12,850,902.74
  6. Step 6: Final answer
    x = 8,488,305.96

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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.