Home / 12,292,297.70-18,438,446.55-3,316,835.30

Finding the Fourth Proportional to 12,292,297.70, 18,438,446.55 and 3,316,835.30

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Solution

The fourth proportional to 12,292,297.70, 18,438,446.55 and 3,316,835.30 is: 4,975,252.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,292,297.70 : 18,438,446.55 = 3,316,835.30 : x
  2. Step 2: Convert to fraction form
    12,292,297.70/18,438,446.55 = 3,316,835.30/x
  3. Step 3: Cross multiply
    12,292,297.70x = 18,438,446.55 × 3,316,835.30
  4. Step 4: Simplify right side
    12,292,297.70x = 61,157,290,394,203.21
  5. Step 5: Solve for x
    x = 61,157,290,394,203.21/12,292,297.70
  6. Step 6: Final answer
    x = 4,975,252.95

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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.