Home / 13,831,499.60-20,747,249.40-7,029,054.80

Finding the Fourth Proportional to 13,831,499.60, 20,747,249.40 and 7,029,054.80

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Solution

The fourth proportional to 13,831,499.60, 20,747,249.40 and 7,029,054.80 is: 10,543,582.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,831,499.60 : 20,747,249.40 = 7,029,054.80 : x
  2. Step 2: Convert to fraction form
    13,831,499.60/20,747,249.40 = 7,029,054.80/x
  3. Step 3: Cross multiply
    13,831,499.60x = 20,747,249.40 × 7,029,054.80
  4. Step 4: Simplify right side
    13,831,499.60x = 145,833,552,981,867.09
  5. Step 5: Solve for x
    x = 145,833,552,981,867.09/13,831,499.60
  6. Step 6: Final answer
    x = 10,543,582.20

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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.