Home / 20,649,033.23-30,945,648.34-7,862,562.77

Finding the Fourth Proportional to 20,649,033.23, 30,945,648.34 and 7,862,562.77

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Solution

The fourth proportional to 20,649,033.23, 30,945,648.34 and 7,862,562.77 is: 11,783,220.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,649,033.23 : 30,945,648.34 = 7,862,562.77 : x
  2. Step 2: Convert to fraction form
    20,649,033.23/30,945,648.34 = 7,862,562.77/x
  3. Step 3: Cross multiply
    20,649,033.23x = 30,945,648.34 × 7,862,562.77
  4. Step 4: Simplify right side
    20,649,033.23x = 243,312,102,502,742.44
  5. Step 5: Solve for x
    x = 243,312,102,502,742.44/20,649,033.23
  6. Step 6: Final answer
    x = 11,783,220.06

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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.