Home / 10,377,768.30-15,553,150.10-4,222,576.74

Finding the Fourth Proportional to 10,377,768.30, 15,553,150.10 and 4,222,576.74

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Solution

The fourth proportional to 10,377,768.30, 15,553,150.10 and 4,222,576.74 is: 6,328,371.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,377,768.30 : 15,553,150.10 = 4,222,576.74 : x
  2. Step 2: Convert to fraction form
    10,377,768.30/15,553,150.10 = 4,222,576.74/x
  3. Step 3: Cross multiply
    10,377,768.30x = 15,553,150.10 × 4,222,576.74
  4. Step 4: Simplify right side
    10,377,768.30x = 65,674,369,845,988.68
  5. Step 5: Solve for x
    x = 65,674,369,845,988.68/10,377,768.30
  6. Step 6: Final answer
    x = 6,328,371.18

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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.