Home / 18,781,538.88-28,181,916.54-8,944,739.04

Finding the Fourth Proportional to 18,781,538.88, 28,181,916.54 and 8,944,739.04

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Solution

The fourth proportional to 18,781,538.88, 28,181,916.54 and 8,944,739.04 is: 13,421,684.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,781,538.88 : 28,181,916.54 = 8,944,739.04 : x
  2. Step 2: Convert to fraction form
    18,781,538.88/28,181,916.54 = 8,944,739.04/x
  3. Step 3: Cross multiply
    18,781,538.88x = 28,181,916.54 × 8,944,739.04
  4. Step 4: Simplify right side
    18,781,538.88x = 252,079,889,097,359.69
  5. Step 5: Solve for x
    x = 252,079,889,097,359.69/18,781,538.88
  6. Step 6: Final answer
    x = 13,421,684.49

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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.