Home / 12,455,901.30-18,682,102.35-3,937,098.90

Finding the Fourth Proportional to 12,455,901.30, 18,682,102.35 and 3,937,098.90

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Solution

The fourth proportional to 12,455,901.30, 18,682,102.35 and 3,937,098.90 is: 5,905,095.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,455,901.30 : 18,682,102.35 = 3,937,098.90 : x
  2. Step 2: Convert to fraction form
    12,455,901.30/18,682,102.35 = 3,937,098.90/x
  3. Step 3: Cross multiply
    12,455,901.30x = 18,682,102.35 × 3,937,098.90
  4. Step 4: Simplify right side
    12,455,901.30x = 73,553,284,611,872.42
  5. Step 5: Solve for x
    x = 73,553,284,611,872.42/12,455,901.30
  6. Step 6: Final answer
    x = 5,905,095.33

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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.