Home / 21,774,161.85-32,661,330.83-8,820,557.48

Finding the Fourth Proportional to 21,774,161.85, 32,661,330.83 and 8,820,557.48

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Solution

The fourth proportional to 21,774,161.85, 32,661,330.83 and 8,820,557.48 is: 13,230,871.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,774,161.85 : 32,661,330.83 = 8,820,557.48 : x
  2. Step 2: Convert to fraction form
    21,774,161.85/32,661,330.83 = 8,820,557.48/x
  3. Step 3: Cross multiply
    21,774,161.85x = 32,661,330.83 × 8,820,557.48
  4. Step 4: Simplify right side
    21,774,161.85x = 288,091,145,959,311.12
  5. Step 5: Solve for x
    x = 288,091,145,959,311.12/21,774,161.85
  6. Step 6: Final answer
    x = 13,230,871.89

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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.