Home / 20,840,246.10-31,260,369.15-14,037,801.30

Finding the Fourth Proportional to 20,840,246.10, 31,260,369.15 and 14,037,801.30

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Solution

The fourth proportional to 20,840,246.10, 31,260,369.15 and 14,037,801.30 is: 21,056,701.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,840,246.10 : 31,260,369.15 = 14,037,801.30 : x
  2. Step 2: Convert to fraction form
    20,840,246.10/31,260,369.15 = 14,037,801.30/x
  3. Step 3: Cross multiply
    20,840,246.10x = 31,260,369.15 × 14,037,801.30
  4. Step 4: Simplify right side
    20,840,246.10x = 438,826,850,692,349.88
  5. Step 5: Solve for x
    x = 438,826,850,692,349.88/20,840,246.10
  6. Step 6: Final answer
    x = 21,056,701.95

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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.