Home / 20,185,972.10-30,285,956.55-8,834,567.30

Finding the Fourth Proportional to 20,185,972.10, 30,285,956.55 and 8,834,567.30

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Solution

The fourth proportional to 20,185,972.10, 30,285,956.55 and 8,834,567.30 is: 13,254,913.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,185,972.10 : 30,285,956.55 = 8,834,567.30 : x
  2. Step 2: Convert to fraction form
    20,185,972.10/30,285,956.55 = 8,834,567.30/x
  3. Step 3: Cross multiply
    20,185,972.10x = 30,285,956.55 × 8,834,567.30
  4. Step 4: Simplify right side
    20,185,972.10x = 267,563,321,385,850.84
  5. Step 5: Solve for x
    x = 267,563,321,385,850.84/20,185,972.10
  6. Step 6: Final answer
    x = 13,254,913.86

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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.