Home / 18,376,908.30-27,565,362.45-15,507,126.90

Finding the Fourth Proportional to 18,376,908.30, 27,565,362.45 and 15,507,126.90

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Solution

The fourth proportional to 18,376,908.30, 27,565,362.45 and 15,507,126.90 is: 23,260,690.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,376,908.30 : 27,565,362.45 = 15,507,126.90 : x
  2. Step 2: Convert to fraction form
    18,376,908.30/27,565,362.45 = 15,507,126.90/x
  3. Step 3: Cross multiply
    18,376,908.30x = 27,565,362.45 × 15,507,126.90
  4. Step 4: Simplify right side
    18,376,908.30x = 427,459,573,556,644.88
  5. Step 5: Solve for x
    x = 427,459,573,556,644.88/18,376,908.30
  6. Step 6: Final answer
    x = 23,260,690.35

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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.