Home / 11,127,614.10-16,691,421.15-8,605,079.70

Finding the Fourth Proportional to 11,127,614.10, 16,691,421.15 and 8,605,079.70

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Solution

The fourth proportional to 11,127,614.10, 16,691,421.15 and 8,605,079.70 is: 12,907,619.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,127,614.10 : 16,691,421.15 = 8,605,079.70 : x
  2. Step 2: Convert to fraction form
    11,127,614.10/16,691,421.15 = 8,605,079.70/x
  3. Step 3: Cross multiply
    11,127,614.10x = 16,691,421.15 × 8,605,079.70
  4. Step 4: Simplify right side
    11,127,614.10x = 143,631,009,302,015.66
  5. Step 5: Solve for x
    x = 143,631,009,302,015.66/11,127,614.10
  6. Step 6: Final answer
    x = 12,907,619.55

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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.