Home / 12,096,511.20-18,171,800.40-10,105,855.20

Finding the Fourth Proportional to 12,096,511.20, 18,171,800.40 and 10,105,855.20

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Solution

The fourth proportional to 12,096,511.20, 18,171,800.40 and 10,105,855.20 is: 15,181,367.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,096,511.20 : 18,171,800.40 = 10,105,855.20 : x
  2. Step 2: Convert to fraction form
    12,096,511.20/18,171,800.40 = 10,105,855.20/x
  3. Step 3: Cross multiply
    12,096,511.20x = 18,171,800.40 × 10,105,855.20
  4. Step 4: Simplify right side
    12,096,511.20x = 183,641,583,565,702.06
  5. Step 5: Solve for x
    x = 183,641,583,565,702.06/12,096,511.20
  6. Step 6: Final answer
    x = 15,181,367.63

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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.