Home / 10,771,310.40-16,148,930.40-6,510,580.80

Finding the Fourth Proportional to 10,771,310.40, 16,148,930.40 and 6,510,580.80

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Solution

The fourth proportional to 10,771,310.40, 16,148,930.40 and 6,510,580.80 is: 9,761,014.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,771,310.40 : 16,148,930.40 = 6,510,580.80 : x
  2. Step 2: Convert to fraction form
    10,771,310.40/16,148,930.40 = 6,510,580.80/x
  3. Step 3: Cross multiply
    10,771,310.40x = 16,148,930.40 × 6,510,580.80
  4. Step 4: Simplify right side
    10,771,310.40x = 105,138,916,202,776.31
  5. Step 5: Solve for x
    x = 105,138,916,202,776.31/10,771,310.40
  6. Step 6: Final answer
    x = 9,761,014.43

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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.