Home / 42,019,247.80-62,993,879.70-17,776,790.20

Finding the Fourth Proportional to 42,019,247.80, 62,993,879.70 and 17,776,790.20

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Solution

The fourth proportional to 42,019,247.80, 62,993,879.70 and 17,776,790.20 is: 26,650,381.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,019,247.80 : 62,993,879.70 = 17,776,790.20 : x
  2. Step 2: Convert to fraction form
    42,019,247.80/62,993,879.70 = 17,776,790.20/x
  3. Step 3: Cross multiply
    42,019,247.80x = 62,993,879.70 × 17,776,790.20
  4. Step 4: Simplify right side
    42,019,247.80x = 1,119,828,983,310,939
  5. Step 5: Solve for x
    x = 1,119,828,983,310,939/42,019,247.80
  6. Step 6: Final answer
    x = 26,650,381.48

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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.