Home / 7,134,895.40-10,694,469.90-3,942,312.80

Finding the Fourth Proportional to 7,134,895.40, 10,694,469.90 and 3,942,312.80

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Solution

The fourth proportional to 7,134,895.40, 10,694,469.90 and 3,942,312.80 is: 5,909,118.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,134,895.40 : 10,694,469.90 = 3,942,312.80 : x
  2. Step 2: Convert to fraction form
    7,134,895.40/10,694,469.90 = 3,942,312.80/x
  3. Step 3: Cross multiply
    7,134,895.40x = 10,694,469.90 × 3,942,312.80
  4. Step 4: Simplify right side
    7,134,895.40x = 42,160,945,575,984.72
  5. Step 5: Solve for x
    x = 42,160,945,575,984.72/7,134,895.40
  6. Step 6: Final answer
    x = 5,909,118.94

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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.