Home / 10,690,051.20-16,035,076.80-5,021,347.20

Finding the Fourth Proportional to 10,690,051.20, 16,035,076.80 and 5,021,347.20

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Solution

The fourth proportional to 10,690,051.20, 16,035,076.80 and 5,021,347.20 is: 7,532,020.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,690,051.20 : 16,035,076.80 = 5,021,347.20 : x
  2. Step 2: Convert to fraction form
    10,690,051.20/16,035,076.80 = 5,021,347.20/x
  3. Step 3: Cross multiply
    10,690,051.20x = 16,035,076.80 × 5,021,347.20
  4. Step 4: Simplify right side
    10,690,051.20x = 80,517,687,991,464.97
  5. Step 5: Solve for x
    x = 80,517,687,991,464.97/10,690,051.20
  6. Step 6: Final answer
    x = 7,532,020.80

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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.