Home / 10,171,631.80-15,257,447.70-4,187,999.80

Finding the Fourth Proportional to 10,171,631.80, 15,257,447.70 and 4,187,999.80

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Solution

The fourth proportional to 10,171,631.80, 15,257,447.70 and 4,187,999.80 is: 6,281,999.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,171,631.80 : 15,257,447.70 = 4,187,999.80 : x
  2. Step 2: Convert to fraction form
    10,171,631.80/15,257,447.70 = 4,187,999.80/x
  3. Step 3: Cross multiply
    10,171,631.80x = 15,257,447.70 × 4,187,999.80
  4. Step 4: Simplify right side
    10,171,631.80x = 63,898,187,916,110.45
  5. Step 5: Solve for x
    x = 63,898,187,916,110.45/10,171,631.80
  6. Step 6: Final answer
    x = 6,281,999.70

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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.