Home / 15,734,544.14-21,713,620.10-8,859,056.78

Finding the Fourth Proportional to 15,734,544.14, 21,713,620.10 and 8,859,056.78

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Solution

The fourth proportional to 15,734,544.14, 21,713,620.10 and 8,859,056.78 is: 12,225,469.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,734,544.14 : 21,713,620.10 = 8,859,056.78 : x
  2. Step 2: Convert to fraction form
    15,734,544.14/21,713,620.10 = 8,859,056.78/x
  3. Step 3: Cross multiply
    15,734,544.14x = 21,713,620.10 × 8,859,056.78
  4. Step 4: Simplify right side
    15,734,544.14x = 192,362,193,365,249.28
  5. Step 5: Solve for x
    x = 192,362,193,365,249.28/15,734,544.14
  6. Step 6: Final answer
    x = 12,225,469.75

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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.