Home / 15,774,991.20-21,769,487.84-8,531,647.20

Finding the Fourth Proportional to 15,774,991.20, 21,769,487.84 and 8,531,647.20

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Solution

The fourth proportional to 15,774,991.20, 21,769,487.84 and 8,531,647.20 is: 11,773,673.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,774,991.20 : 21,769,487.84 = 8,531,647.20 : x
  2. Step 2: Convert to fraction form
    15,774,991.20/21,769,487.84 = 8,531,647.20/x
  3. Step 3: Cross multiply
    15,774,991.20x = 21,769,487.84 × 8,531,647.20
  4. Step 4: Simplify right side
    15,774,991.20x = 185,729,589,975,570.03
  5. Step 5: Solve for x
    x = 185,729,589,975,570.03/15,774,991.20
  6. Step 6: Final answer
    x = 11,773,673.13

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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.