Home / 15,030,337.92-20,739,661.44-8,414,583.36

Finding the Fourth Proportional to 15,030,337.92, 20,739,661.44 and 8,414,583.36

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Solution

The fourth proportional to 15,030,337.92, 20,739,661.44 and 8,414,583.36 is: 11,610,890.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,030,337.92 : 20,739,661.44 = 8,414,583.36 : x
  2. Step 2: Convert to fraction form
    15,030,337.92/20,739,661.44 = 8,414,583.36/x
  3. Step 3: Cross multiply
    15,030,337.92x = 20,739,661.44 × 8,414,583.36
  4. Step 4: Simplify right side
    15,030,337.92x = 174,515,610,045,057.62
  5. Step 5: Solve for x
    x = 174,515,610,045,057.62/15,030,337.92
  6. Step 6: Final answer
    x = 11,610,890.65

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.