Home / 12,235,128.50-16,884,910.58-6,728,929.53

Finding the Fourth Proportional to 12,235,128.50, 16,884,910.58 and 6,728,929.53

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Solution

The fourth proportional to 12,235,128.50, 16,884,910.58 and 6,728,929.53 is: 9,286,161.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,235,128.50 : 16,884,910.58 = 6,728,929.53 : x
  2. Step 2: Convert to fraction form
    12,235,128.50/16,884,910.58 = 6,728,929.53/x
  3. Step 3: Cross multiply
    12,235,128.50x = 16,884,910.58 × 6,728,929.53
  4. Step 4: Simplify right side
    12,235,128.50x = 113,617,373,379,526.78
  5. Step 5: Solve for x
    x = 113,617,373,379,526.78/12,235,128.50
  6. Step 6: Final answer
    x = 9,286,161.03

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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.