Home / 11,191,704.80-16,787,557.20-7,790,482.40

Finding the Fourth Proportional to 11,191,704.80, 16,787,557.20 and 7,790,482.40

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Solution

The fourth proportional to 11,191,704.80, 16,787,557.20 and 7,790,482.40 is: 11,685,723.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,191,704.80 : 16,787,557.20 = 7,790,482.40 : x
  2. Step 2: Convert to fraction form
    11,191,704.80/16,787,557.20 = 7,790,482.40/x
  3. Step 3: Cross multiply
    11,191,704.80x = 16,787,557.20 × 7,790,482.40
  4. Step 4: Simplify right side
    11,191,704.80x = 130,783,168,905,593.28
  5. Step 5: Solve for x
    x = 130,783,168,905,593.28/11,191,704.80
  6. Step 6: Final answer
    x = 11,685,723.60

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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.