Home / 12,101,089.20-18,144,635.40-4,528,820.40

Finding the Fourth Proportional to 12,101,089.20, 18,144,635.40 and 4,528,820.40

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Solution

The fourth proportional to 12,101,089.20, 18,144,635.40 and 4,528,820.40 is: 6,790,611.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,101,089.20 : 18,144,635.40 = 4,528,820.40 : x
  2. Step 2: Convert to fraction form
    12,101,089.20/18,144,635.40 = 4,528,820.40/x
  3. Step 3: Cross multiply
    12,101,089.20x = 18,144,635.40 × 4,528,820.40
  4. Step 4: Simplify right side
    12,101,089.20x = 82,173,794,950,082.16
  5. Step 5: Solve for x
    x = 82,173,794,950,082.16/12,101,089.20
  6. Step 6: Final answer
    x = 6,790,611.46

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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.