Home / 13,056,164.20-19,584,246.30-12,171,428.20

Finding the Fourth Proportional to 13,056,164.20, 19,584,246.30 and 12,171,428.20

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Solution

The fourth proportional to 13,056,164.20, 19,584,246.30 and 12,171,428.20 is: 18,257,142.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,056,164.20 : 19,584,246.30 = 12,171,428.20 : x
  2. Step 2: Convert to fraction form
    13,056,164.20/19,584,246.30 = 12,171,428.20/x
  3. Step 3: Cross multiply
    13,056,164.20x = 19,584,246.30 × 12,171,428.20
  4. Step 4: Simplify right side
    13,056,164.20x = 238,368,247,691,565.66
  5. Step 5: Solve for x
    x = 238,368,247,691,565.66/13,056,164.20
  6. Step 6: Final answer
    x = 18,257,142.30

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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.