Home / 18,936,739.04-28,406,304.36-8,004,890.24

Finding the Fourth Proportional to 18,936,739.04, 28,406,304.36 and 8,004,890.24

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Solution

The fourth proportional to 18,936,739.04, 28,406,304.36 and 8,004,890.24 is: 12,007,840.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,936,739.04 : 28,406,304.36 = 8,004,890.24 : x
  2. Step 2: Convert to fraction form
    18,936,739.04/28,406,304.36 = 8,004,890.24/x
  3. Step 3: Cross multiply
    18,936,739.04x = 28,406,304.36 × 8,004,890.24
  4. Step 4: Simplify right side
    18,936,739.04x = 227,389,348,525,833.44
  5. Step 5: Solve for x
    x = 227,389,348,525,833.44/18,936,739.04
  6. Step 6: Final answer
    x = 12,007,840.85

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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.