Home / 6,931,429.20-10,397,838.60-2,381,878.80

Finding the Fourth Proportional to 6,931,429.20, 10,397,838.60 and 2,381,878.80

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Solution

The fourth proportional to 6,931,429.20, 10,397,838.60 and 2,381,878.80 is: 3,573,056.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,931,429.20 : 10,397,838.60 = 2,381,878.80 : x
  2. Step 2: Convert to fraction form
    6,931,429.20/10,397,838.60 = 2,381,878.80/x
  3. Step 3: Cross multiply
    6,931,429.20x = 10,397,838.60 × 2,381,878.80
  4. Step 4: Simplify right side
    6,931,429.20x = 24,766,391,327,161.68
  5. Step 5: Solve for x
    x = 24,766,391,327,161.68/6,931,429.20
  6. Step 6: Final answer
    x = 3,573,056.96

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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.