Home / 10,662,049.60-15,988,408.80-4,270,177.60

Finding the Fourth Proportional to 10,662,049.60, 15,988,408.80 and 4,270,177.60

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Solution

The fourth proportional to 10,662,049.60, 15,988,408.80 and 4,270,177.60 is: 6,403,397.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,662,049.60 : 15,988,408.80 = 4,270,177.60 : x
  2. Step 2: Convert to fraction form
    10,662,049.60/15,988,408.80 = 4,270,177.60/x
  3. Step 3: Cross multiply
    10,662,049.60x = 15,988,408.80 × 4,270,177.60
  4. Step 4: Simplify right side
    10,662,049.60x = 68,273,345,117,402.88
  5. Step 5: Solve for x
    x = 68,273,345,117,402.88/10,662,049.60
  6. Step 6: Final answer
    x = 6,403,397.82

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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.