Home / 11,831,981.10-17,737,603.65-8,033,145.90

Finding the Fourth Proportional to 11,831,981.10, 17,737,603.65 and 8,033,145.90

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Solution

The fourth proportional to 11,831,981.10, 17,737,603.65 and 8,033,145.90 is: 12,042,679.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,831,981.10 : 17,737,603.65 = 8,033,145.90 : x
  2. Step 2: Convert to fraction form
    11,831,981.10/17,737,603.65 = 8,033,145.90/x
  3. Step 3: Cross multiply
    11,831,981.10x = 17,737,603.65 × 8,033,145.90
  4. Step 4: Simplify right side
    11,831,981.10x = 142,488,758,036,822.53
  5. Step 5: Solve for x
    x = 142,488,758,036,822.53/11,831,981.10
  6. Step 6: Final answer
    x = 12,042,679.65

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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.