Home / 11,005,210.10-16,507,815.15-8,485,786.10

Finding the Fourth Proportional to 11,005,210.10, 16,507,815.15 and 8,485,786.10

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Solution

The fourth proportional to 11,005,210.10, 16,507,815.15 and 8,485,786.10 is: 12,728,679.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,005,210.10 : 16,507,815.15 = 8,485,786.10 : x
  2. Step 2: Convert to fraction form
    11,005,210.10/16,507,815.15 = 8,485,786.10/x
  3. Step 3: Cross multiply
    11,005,210.10x = 16,507,815.15 × 8,485,786.10
  4. Step 4: Simplify right side
    11,005,210.10x = 140,081,788,341,239.41
  5. Step 5: Solve for x
    x = 140,081,788,341,239.41/11,005,210.10
  6. Step 6: Final answer
    x = 12,728,679.15

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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.