Home / 8,375,999.90-12,563,999.85-2,990,731.10

Finding the Fourth Proportional to 8,375,999.90, 12,563,999.85 and 2,990,731.10

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Solution

The fourth proportional to 8,375,999.90, 12,563,999.85 and 2,990,731.10 is: 4,486,096.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,375,999.90 : 12,563,999.85 = 2,990,731.10 : x
  2. Step 2: Convert to fraction form
    8,375,999.90/12,563,999.85 = 2,990,731.10/x
  3. Step 3: Cross multiply
    8,375,999.90x = 12,563,999.85 × 2,990,731.10
  4. Step 4: Simplify right side
    8,375,999.90x = 37,575,545,091,790.34
  5. Step 5: Solve for x
    x = 37,575,545,091,790.34/8,375,999.90
  6. Step 6: Final answer
    x = 4,486,096.65

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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.