Home / 20,795,583.60-31,182,316.20-8,814,783.60

Finding the Fourth Proportional to 20,795,583.60, 31,182,316.20 and 8,814,783.60

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Solution

The fourth proportional to 20,795,583.60, 31,182,316.20 and 8,814,783.60 is: 13,217,487.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,795,583.60 : 31,182,316.20 = 8,814,783.60 : x
  2. Step 2: Convert to fraction form
    20,795,583.60/31,182,316.20 = 8,814,783.60/x
  3. Step 3: Cross multiply
    20,795,583.60x = 31,182,316.20 × 8,814,783.60
  4. Step 4: Simplify right side
    20,795,583.60x = 274,865,369,449,774.31
  5. Step 5: Solve for x
    x = 274,865,369,449,774.31/20,795,583.60
  6. Step 6: Final answer
    x = 13,217,487.65

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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.