Home / 7,176,709.08-10,762,380.90-2,915,441.64

Finding the Fourth Proportional to 7,176,709.08, 10,762,380.90 and 2,915,441.64

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Solution

The fourth proportional to 7,176,709.08, 10,762,380.90 and 2,915,441.64 is: 4,372,072.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,176,709.08 : 10,762,380.90 = 2,915,441.64 : x
  2. Step 2: Convert to fraction form
    7,176,709.08/10,762,380.90 = 2,915,441.64/x
  3. Step 3: Cross multiply
    7,176,709.08x = 10,762,380.90 × 2,915,441.64
  4. Step 4: Simplify right side
    7,176,709.08x = 31,377,093,421,400.68
  5. Step 5: Solve for x
    x = 31,377,093,421,400.68/7,176,709.08
  6. Step 6: Final answer
    x = 4,372,072.64

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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.