Home / 11,028,968.10-16,543,452.15-8,478,051.30

Finding the Fourth Proportional to 11,028,968.10, 16,543,452.15 and 8,478,051.30

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Solution

The fourth proportional to 11,028,968.10, 16,543,452.15 and 8,478,051.30 is: 12,717,076.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,028,968.10 : 16,543,452.15 = 8,478,051.30 : x
  2. Step 2: Convert to fraction form
    11,028,968.10/16,543,452.15 = 8,478,051.30/x
  3. Step 3: Cross multiply
    11,028,968.10x = 16,543,452.15 × 8,478,051.30
  4. Step 4: Simplify right side
    11,028,968.10x = 140,256,236,006,795.31
  5. Step 5: Solve for x
    x = 140,256,236,006,795.31/11,028,968.10
  6. Step 6: Final answer
    x = 12,717,076.95

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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.