Home / 21,816,004.80-32,724,007.20-15,769,387.20

Finding the Fourth Proportional to 21,816,004.80, 32,724,007.20 and 15,769,387.20

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Solution

The fourth proportional to 21,816,004.80, 32,724,007.20 and 15,769,387.20 is: 23,654,080.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,816,004.80 : 32,724,007.20 = 15,769,387.20 : x
  2. Step 2: Convert to fraction form
    21,816,004.80/32,724,007.20 = 15,769,387.20/x
  3. Step 3: Cross multiply
    21,816,004.80x = 32,724,007.20 × 15,769,387.20
  4. Step 4: Simplify right side
    21,816,004.80x = 516,037,540,272,387.81
  5. Step 5: Solve for x
    x = 516,037,540,272,387.81/21,816,004.80
  6. Step 6: Final answer
    x = 23,654,080.80

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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.