Home / 20,816,757.37-28,730,130.03-11,994,518.98

Finding the Fourth Proportional to 20,816,757.37, 28,730,130.03 and 11,994,518.98

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Solution

The fourth proportional to 20,816,757.37, 28,730,130.03 and 11,994,518.98 is: 16,554,167.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,816,757.37 : 28,730,130.03 = 11,994,518.98 : x
  2. Step 2: Convert to fraction form
    20,816,757.37/28,730,130.03 = 11,994,518.98/x
  3. Step 3: Cross multiply
    20,816,757.37x = 28,730,130.03 × 11,994,518.98
  4. Step 4: Simplify right side
    20,816,757.37x = 344,604,089,799,052.31
  5. Step 5: Solve for x
    x = 344,604,089,799,052.31/20,816,757.37
  6. Step 6: Final answer
    x = 16,554,167.58

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.