Home / 13,745,853.90-20,613,532.05-4,158,045.90

Finding the Fourth Proportional to 13,745,853.90, 20,613,532.05 and 4,158,045.90

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Solution

The fourth proportional to 13,745,853.90, 20,613,532.05 and 4,158,045.90 is: 6,235,481.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,745,853.90 : 20,613,532.05 = 4,158,045.90 : x
  2. Step 2: Convert to fraction form
    13,745,853.90/20,613,532.05 = 4,158,045.90/x
  3. Step 3: Cross multiply
    13,745,853.90x = 20,613,532.05 × 4,158,045.90
  4. Step 4: Simplify right side
    13,745,853.90x = 85,712,012,425,021.09
  5. Step 5: Solve for x
    x = 85,712,012,425,021.09/13,745,853.90
  6. Step 6: Final answer
    x = 6,235,481.12

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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.