Home / 20,612,852.89-30,920,900.96-5,466,784.39

Finding the Fourth Proportional to 20,612,852.89, 30,920,900.96 and 5,466,784.39

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Solution

The fourth proportional to 20,612,852.89, 30,920,900.96 and 5,466,784.39 is: 8,200,606.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,612,852.89 : 30,920,900.96 = 5,466,784.39 : x
  2. Step 2: Convert to fraction form
    20,612,852.89/30,920,900.96 = 5,466,784.39/x
  3. Step 3: Cross multiply
    20,612,852.89x = 30,920,900.96 × 5,466,784.39
  4. Step 4: Simplify right side
    20,612,852.89x = 169,037,898,692,864
  5. Step 5: Solve for x
    x = 169,037,898,692,864/20,612,852.89
  6. Step 6: Final answer
    x = 8,200,606.66

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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.