Home / 12,688,003.50-17,509,462.38-6,886,786.38

Finding the Fourth Proportional to 12,688,003.50, 17,509,462.38 and 6,886,786.38

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Solution

The fourth proportional to 12,688,003.50, 17,509,462.38 and 6,886,786.38 is: 9,503,774.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,688,003.50 : 17,509,462.38 = 6,886,786.38 : x
  2. Step 2: Convert to fraction form
    12,688,003.50/17,509,462.38 = 6,886,786.38/x
  3. Step 3: Cross multiply
    12,688,003.50x = 17,509,462.38 × 6,886,786.38
  4. Step 4: Simplify right side
    12,688,003.50x = 120,583,927,039,706.38
  5. Step 5: Solve for x
    x = 120,583,927,039,706.38/12,688,003.50
  6. Step 6: Final answer
    x = 9,503,774.73

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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.