Home / 10,429,513.20-15,644,269.80-4,760,809.20

Finding the Fourth Proportional to 10,429,513.20, 15,644,269.80 and 4,760,809.20

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Solution

The fourth proportional to 10,429,513.20, 15,644,269.80 and 4,760,809.20 is: 7,141,213.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,429,513.20 : 15,644,269.80 = 4,760,809.20 : x
  2. Step 2: Convert to fraction form
    10,429,513.20/15,644,269.80 = 4,760,809.20/x
  3. Step 3: Cross multiply
    10,429,513.20x = 15,644,269.80 × 4,760,809.20
  4. Step 4: Simplify right side
    10,429,513.20x = 74,479,383,591,122.17
  5. Step 5: Solve for x
    x = 74,479,383,591,122.17/10,429,513.20
  6. Step 6: Final answer
    x = 7,141,213.80

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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.