Home / 20,649,035.85-30,945,652.28-7,862,565.39

Finding the Fourth Proportional to 20,649,035.85, 30,945,652.28 and 7,862,565.39

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Solution

The fourth proportional to 20,649,035.85, 30,945,652.28 and 7,862,565.39 is: 11,783,223.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,649,035.85 : 30,945,652.28 = 7,862,565.39 : x
  2. Step 2: Convert to fraction form
    20,649,035.85/30,945,652.28 = 7,862,565.39/x
  3. Step 3: Cross multiply
    20,649,035.85x = 30,945,652.28 × 7,862,565.39
  4. Step 4: Simplify right side
    20,649,035.85x = 243,312,214,548,389.75
  5. Step 5: Solve for x
    x = 243,312,214,548,389.75/20,649,035.85
  6. Step 6: Final answer
    x = 11,783,223.99

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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.