Home / 16,991,998.40-25,487,997.60-15,134,052.80

Finding the Fourth Proportional to 16,991,998.40, 25,487,997.60 and 15,134,052.80

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Solution

The fourth proportional to 16,991,998.40, 25,487,997.60 and 15,134,052.80 is: 22,701,079.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,991,998.40 : 25,487,997.60 = 15,134,052.80 : x
  2. Step 2: Convert to fraction form
    16,991,998.40/25,487,997.60 = 15,134,052.80/x
  3. Step 3: Cross multiply
    16,991,998.40x = 25,487,997.60 × 15,134,052.80
  4. Step 4: Simplify right side
    16,991,998.40x = 385,736,701,444,673.31
  5. Step 5: Solve for x
    x = 385,736,701,444,673.31/16,991,998.40
  6. Step 6: Final answer
    x = 22,701,079.20

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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.