Home / 12,061,639.20-18,093,333.60-7,258,987.20

Finding the Fourth Proportional to 12,061,639.20, 18,093,333.60 and 7,258,987.20

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Solution

The fourth proportional to 12,061,639.20, 18,093,333.60 and 7,258,987.20 is: 10,889,007.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,061,639.20 : 18,093,333.60 = 7,258,987.20 : x
  2. Step 2: Convert to fraction form
    12,061,639.20/18,093,333.60 = 7,258,987.20/x
  3. Step 3: Cross multiply
    12,061,639.20x = 18,093,333.60 × 7,258,987.20
  4. Step 4: Simplify right side
    12,061,639.20x = 131,339,277,007,729.94
  5. Step 5: Solve for x
    x = 131,339,277,007,729.94/12,061,639.20
  6. Step 6: Final answer
    x = 10,889,007.28

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.