Home / 13,226,535.82-18,254,611.56-8,072,892.20

Finding the Fourth Proportional to 13,226,535.82, 18,254,611.56 and 8,072,892.20

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Solution

The fourth proportional to 13,226,535.82, 18,254,611.56 and 8,072,892.20 is: 11,141,807.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,226,535.82 : 18,254,611.56 = 8,072,892.20 : x
  2. Step 2: Convert to fraction form
    13,226,535.82/18,254,611.56 = 8,072,892.20/x
  3. Step 3: Cross multiply
    13,226,535.82x = 18,254,611.56 × 8,072,892.20
  4. Step 4: Simplify right side
    13,226,535.82x = 147,367,511,276,753.81
  5. Step 5: Solve for x
    x = 147,367,511,276,753.81/13,226,535.82
  6. Step 6: Final answer
    x = 11,141,807.14

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.