Home / 13,135,081.60-19,700,779.20-4,160,540.80

Finding the Fourth Proportional to 13,135,081.60, 19,700,779.20 and 4,160,540.80

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Solution

The fourth proportional to 13,135,081.60, 19,700,779.20 and 4,160,540.80 is: 6,240,227.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,135,081.60 : 19,700,779.20 = 4,160,540.80 : x
  2. Step 2: Convert to fraction form
    13,135,081.60/19,700,779.20 = 4,160,540.80/x
  3. Step 3: Cross multiply
    13,135,081.60x = 19,700,779.20 × 4,160,540.80
  4. Step 4: Simplify right side
    13,135,081.60x = 81,965,895,653,391.36
  5. Step 5: Solve for x
    x = 81,965,895,653,391.36/13,135,081.60
  6. Step 6: Final answer
    x = 6,240,227.37

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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.