Home / 12,359,174.40-18,540,511.20-3,838,622.40

Finding the Fourth Proportional to 12,359,174.40, 18,540,511.20 and 3,838,622.40

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Solution

The fourth proportional to 12,359,174.40, 18,540,511.20 and 3,838,622.40 is: 5,758,477.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,359,174.40 : 18,540,511.20 = 3,838,622.40 : x
  2. Step 2: Convert to fraction form
    12,359,174.40/18,540,511.20 = 3,838,622.40/x
  3. Step 3: Cross multiply
    12,359,174.40x = 18,540,511.20 × 3,838,622.40
  4. Step 4: Simplify right side
    12,359,174.40x = 71,170,021,599,770.88
  5. Step 5: Solve for x
    x = 71,170,021,599,770.88/12,359,174.40
  6. Step 6: Final answer
    x = 5,758,477.01

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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.