Home / 13,299,737.72-18,353,271.48-7,498,469.12

Finding the Fourth Proportional to 13,299,737.72, 18,353,271.48 and 7,498,469.12

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Solution

The fourth proportional to 13,299,737.72, 18,353,271.48 and 7,498,469.12 is: 10,347,680.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,299,737.72 : 18,353,271.48 = 7,498,469.12 : x
  2. Step 2: Convert to fraction form
    13,299,737.72/18,353,271.48 = 7,498,469.12/x
  3. Step 3: Cross multiply
    13,299,737.72x = 18,353,271.48 × 7,498,469.12
  4. Step 4: Simplify right side
    13,299,737.72x = 137,621,439,443,756.70
  5. Step 5: Solve for x
    x = 137,621,439,443,756.70/13,299,737.72
  6. Step 6: Final answer
    x = 10,347,680.71

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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.