Home / 12,937,115.80-19,405,673.70-11,543,656.60

Finding the Fourth Proportional to 12,937,115.80, 19,405,673.70 and 11,543,656.60

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Solution

The fourth proportional to 12,937,115.80, 19,405,673.70 and 11,543,656.60 is: 17,315,484.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,937,115.80 : 19,405,673.70 = 11,543,656.60 : x
  2. Step 2: Convert to fraction form
    12,937,115.80/19,405,673.70 = 11,543,656.60/x
  3. Step 3: Cross multiply
    12,937,115.80x = 19,405,673.70 × 11,543,656.60
  4. Step 4: Simplify right side
    12,937,115.80x = 224,012,433,284,451.41
  5. Step 5: Solve for x
    x = 224,012,433,284,451.41/12,937,115.80
  6. Step 6: Final answer
    x = 17,315,484.90

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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.