Home / 14,990,532.30-20,687,000.62-8,115,014.36

Finding the Fourth Proportional to 14,990,532.30, 20,687,000.62 and 8,115,014.36

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Solution

The fourth proportional to 14,990,532.30, 20,687,000.62 and 8,115,014.36 is: 11,198,755.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,990,532.30 : 20,687,000.62 = 8,115,014.36 : x
  2. Step 2: Convert to fraction form
    14,990,532.30/20,687,000.62 = 8,115,014.36/x
  3. Step 3: Cross multiply
    14,990,532.30x = 20,687,000.62 × 8,115,014.36
  4. Step 4: Simplify right side
    14,990,532.30x = 167,875,307,143,266.41
  5. Step 5: Solve for x
    x = 167,875,307,143,266.41/14,990,532.30
  6. Step 6: Final answer
    x = 11,198,755.57

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.