Home / 56,901,782.40-85,352,677.32-13,770,993.12

Finding the Fourth Proportional to 56,901,782.40, 85,352,677.32 and 13,770,993.12

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Solution

The fourth proportional to 56,901,782.40, 85,352,677.32 and 13,770,993.12 is: 20,656,490.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,901,782.40 : 85,352,677.32 = 13,770,993.12 : x
  2. Step 2: Convert to fraction form
    56,901,782.40/85,352,677.32 = 13,770,993.12/x
  3. Step 3: Cross multiply
    56,901,782.40x = 85,352,677.32 × 13,770,993.12
  4. Step 4: Simplify right side
    56,901,782.40x = 1,175,391,132,147,299.75
  5. Step 5: Solve for x
    x = 1,175,391,132,147,299.75/56,901,782.40
  6. Step 6: Final answer
    x = 20,656,490.58

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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.