Home / 20,353,545.16-30,530,162.20-5,207,452.36

Finding the Fourth Proportional to 20,353,545.16, 30,530,162.20 and 5,207,452.36

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Solution

The fourth proportional to 20,353,545.16, 30,530,162.20 and 5,207,452.36 is: 7,811,138.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,353,545.16 : 30,530,162.20 = 5,207,452.36 : x
  2. Step 2: Convert to fraction form
    20,353,545.16/30,530,162.20 = 5,207,452.36/x
  3. Step 3: Cross multiply
    20,353,545.16x = 30,530,162.20 × 5,207,452.36
  4. Step 4: Simplify right side
    20,353,545.16x = 158,984,365,199,572.81
  5. Step 5: Solve for x
    x = 158,984,365,199,572.81/20,353,545.16
  6. Step 6: Final answer
    x = 7,811,138.75

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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.