Home / 10,647,422.10-15,971,133.15-7,624,113.30

Finding the Fourth Proportional to 10,647,422.10, 15,971,133.15 and 7,624,113.30

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Solution

The fourth proportional to 10,647,422.10, 15,971,133.15 and 7,624,113.30 is: 11,436,169.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,647,422.10 : 15,971,133.15 = 7,624,113.30 : x
  2. Step 2: Convert to fraction form
    10,647,422.10/15,971,133.15 = 7,624,113.30/x
  3. Step 3: Cross multiply
    10,647,422.10x = 15,971,133.15 × 7,624,113.30
  4. Step 4: Simplify right side
    10,647,422.10x = 121,765,728,664,985.89
  5. Step 5: Solve for x
    x = 121,765,728,664,985.89/10,647,422.10
  6. Step 6: Final answer
    x = 11,436,169.95

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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.