Home / 12,357,092.40-18,537,388.20-3,836,540.40

Finding the Fourth Proportional to 12,357,092.40, 18,537,388.20 and 3,836,540.40

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Solution

The fourth proportional to 12,357,092.40, 18,537,388.20 and 3,836,540.40 is: 5,755,353.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,357,092.40 : 18,537,388.20 = 3,836,540.40 : x
  2. Step 2: Convert to fraction form
    12,357,092.40/18,537,388.20 = 3,836,540.40/x
  3. Step 3: Cross multiply
    12,357,092.40x = 18,537,388.20 × 3,836,540.40
  4. Step 4: Simplify right side
    12,357,092.40x = 71,119,438,739,783.28
  5. Step 5: Solve for x
    x = 71,119,438,739,783.28/12,357,092.40
  6. Step 6: Final answer
    x = 5,755,353.80

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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.