Home / 12,158,235.48-18,243,640.32-5,339,601.96

Finding the Fourth Proportional to 12,158,235.48, 18,243,640.32 and 5,339,601.96

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Solution

The fourth proportional to 12,158,235.48, 18,243,640.32 and 5,339,601.96 is: 8,012,164.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,158,235.48 : 18,243,640.32 = 5,339,601.96 : x
  2. Step 2: Convert to fraction form
    12,158,235.48/18,243,640.32 = 5,339,601.96/x
  3. Step 3: Cross multiply
    12,158,235.48x = 18,243,640.32 × 5,339,601.96
  4. Step 4: Simplify right side
    12,158,235.48x = 97,413,777,610,207.03
  5. Step 5: Solve for x
    x = 97,413,777,610,207.03/12,158,235.48
  6. Step 6: Final answer
    x = 8,012,164.08

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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.