Home / 20,036,999.60-27,651,112.80-10,869,642.80

Finding the Fourth Proportional to 20,036,999.60, 27,651,112.80 and 10,869,642.80

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Solution

The fourth proportional to 20,036,999.60, 27,651,112.80 and 10,869,642.80 is: 15,000,136.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,036,999.60 : 27,651,112.80 = 10,869,642.80 : x
  2. Step 2: Convert to fraction form
    20,036,999.60/27,651,112.80 = 10,869,642.80/x
  3. Step 3: Cross multiply
    20,036,999.60x = 27,651,112.80 × 10,869,642.80
  4. Step 4: Simplify right side
    20,036,999.60x = 300,557,719,158,507.88
  5. Step 5: Solve for x
    x = 300,557,719,158,507.88/20,036,999.60
  6. Step 6: Final answer
    x = 15,000,136.01

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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.