Home / 19,652,605.20-29,478,907.80-12,083,835.60

Finding the Fourth Proportional to 19,652,605.20, 29,478,907.80 and 12,083,835.60

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Solution

The fourth proportional to 19,652,605.20, 29,478,907.80 and 12,083,835.60 is: 18,125,753.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,652,605.20 : 29,478,907.80 = 12,083,835.60 : x
  2. Step 2: Convert to fraction form
    19,652,605.20/29,478,907.80 = 12,083,835.60/x
  3. Step 3: Cross multiply
    19,652,605.20x = 29,478,907.80 × 12,083,835.60
  4. Step 4: Simplify right side
    19,652,605.20x = 356,218,275,522,757.69
  5. Step 5: Solve for x
    x = 356,218,275,522,757.69/19,652,605.20
  6. Step 6: Final answer
    x = 18,125,753.40

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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.