Home / 14,631,912.84-20,145,972.12-12,422,405.40

Finding the Fourth Proportional to 14,631,912.84, 20,145,972.12 and 12,422,405.40

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Solution

The fourth proportional to 14,631,912.84, 20,145,972.12 and 12,422,405.40 is: 17,103,808.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,631,912.84 : 20,145,972.12 = 12,422,405.40 : x
  2. Step 2: Convert to fraction form
    14,631,912.84/20,145,972.12 = 12,422,405.40/x
  3. Step 3: Cross multiply
    14,631,912.84x = 20,145,972.12 × 12,422,405.40
  4. Step 4: Simplify right side
    14,631,912.84x = 250,261,432,851,737.47
  5. Step 5: Solve for x
    x = 250,261,432,851,737.47/14,631,912.84
  6. Step 6: Final answer
    x = 17,103,808.34

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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.