Home / 12,476,999.70-18,714,117.15-10,229,217.30

Finding the Fourth Proportional to 12,476,999.70, 18,714,117.15 and 10,229,217.30

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Solution

The fourth proportional to 12,476,999.70, 18,714,117.15 and 10,229,217.30 is: 15,342,692.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,476,999.70 : 18,714,117.15 = 10,229,217.30 : x
  2. Step 2: Convert to fraction form
    12,476,999.70/18,714,117.15 = 10,229,217.30/x
  3. Step 3: Cross multiply
    12,476,999.70x = 18,714,117.15 × 10,229,217.30
  4. Step 4: Simplify right side
    12,476,999.70x = 191,430,770,905,006.69
  5. Step 5: Solve for x
    x = 191,430,770,905,006.69/12,476,999.70
  6. Step 6: Final answer
    x = 15,342,692.60

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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.