Home / 12,831,340.04-19,251,307.07-4,195,838.72

Finding the Fourth Proportional to 12,831,340.04, 19,251,307.07 and 4,195,838.72

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Solution

The fourth proportional to 12,831,340.04, 19,251,307.07 and 4,195,838.72 is: 6,295,163.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,831,340.04 : 19,251,307.07 = 4,195,838.72 : x
  2. Step 2: Convert to fraction form
    12,831,340.04/19,251,307.07 = 4,195,838.72/x
  3. Step 3: Cross multiply
    12,831,340.04x = 19,251,307.07 × 4,195,838.72
  4. Step 4: Simplify right side
    12,831,340.04x = 80,775,379,614,915.75
  5. Step 5: Solve for x
    x = 80,775,379,614,915.75/12,831,340.04
  6. Step 6: Final answer
    x = 6,295,163.20

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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.