Home / 12,688,362-17,509,662.44-6,887,154.96

Finding the Fourth Proportional to 12,688,362, 17,509,662.44 and 6,887,154.96

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Solution

The fourth proportional to 12,688,362, 17,509,662.44 and 6,887,154.96 is: 9,504,123.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,688,362 : 17,509,662.44 = 6,887,154.96 : x
  2. Step 2: Convert to fraction form
    12,688,362/17,509,662.44 = 6,887,154.96/x
  3. Step 3: Cross multiply
    12,688,362x = 17,509,662.44 × 6,887,154.96
  4. Step 4: Simplify right side
    12,688,362x = 120,591,758,521,571.72
  5. Step 5: Solve for x
    x = 120,591,758,521,571.72/12,688,362
  6. Step 6: Final answer
    x = 9,504,123.43

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1.5x scale

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.