Home / 11,500,520.70-15,869,492.22-6,343,881.84

Finding the Fourth Proportional to 11,500,520.70, 15,869,492.22 and 6,343,881.84

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Solution

The fourth proportional to 11,500,520.70, 15,869,492.22 and 6,343,881.84 is: 8,753,880.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,500,520.70 : 15,869,492.22 = 6,343,881.84 : x
  2. Step 2: Convert to fraction form
    11,500,520.70/15,869,492.22 = 6,343,881.84/x
  3. Step 3: Cross multiply
    11,500,520.70x = 15,869,492.22 × 6,343,881.84
  4. Step 4: Simplify right side
    11,500,520.70x = 100,674,183,504,479.28
  5. Step 5: Solve for x
    x = 100,674,183,504,479.28/11,500,520.70
  6. Step 6: Final answer
    x = 8,753,880.47

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.