Home / 10,921,348.70-16,382,023.05-4,856,068.70

Finding the Fourth Proportional to 10,921,348.70, 16,382,023.05 and 4,856,068.70

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Solution

The fourth proportional to 10,921,348.70, 16,382,023.05 and 4,856,068.70 is: 7,284,103.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,921,348.70 : 16,382,023.05 = 4,856,068.70 : x
  2. Step 2: Convert to fraction form
    10,921,348.70/16,382,023.05 = 4,856,068.70/x
  3. Step 3: Cross multiply
    10,921,348.70x = 16,382,023.05 × 4,856,068.70
  4. Step 4: Simplify right side
    10,921,348.70x = 79,552,229,375,783.55
  5. Step 5: Solve for x
    x = 79,552,229,375,783.55/10,921,348.70
  6. Step 6: Final answer
    x = 7,284,103.05

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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.