Home / 13,826,438.10-20,739,657.15-12,941,702.10

Finding the Fourth Proportional to 13,826,438.10, 20,739,657.15 and 12,941,702.10

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Solution

The fourth proportional to 13,826,438.10, 20,739,657.15 and 12,941,702.10 is: 19,412,553.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,826,438.10 : 20,739,657.15 = 12,941,702.10 : x
  2. Step 2: Convert to fraction form
    13,826,438.10/20,739,657.15 = 12,941,702.10/x
  3. Step 3: Cross multiply
    13,826,438.10x = 20,739,657.15 × 12,941,702.10
  4. Step 4: Simplify right side
    13,826,438.10x = 268,406,464,491,435
  5. Step 5: Solve for x
    x = 268,406,464,491,435/13,826,438.10
  6. Step 6: Final answer
    x = 19,412,553.15

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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.