Home / 18,939,001.92-28,412,711.64-8,836,111.68

Finding the Fourth Proportional to 18,939,001.92, 28,412,711.64 and 8,836,111.68

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Solution

The fourth proportional to 18,939,001.92, 28,412,711.64 and 8,836,111.68 is: 13,256,131.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,939,001.92 : 28,412,711.64 = 8,836,111.68 : x
  2. Step 2: Convert to fraction form
    18,939,001.92/28,412,711.64 = 8,836,111.68/x
  3. Step 3: Cross multiply
    18,939,001.92x = 28,412,711.64 × 8,836,111.68
  4. Step 4: Simplify right side
    18,939,001.92x = 251,057,893,182,675.94
  5. Step 5: Solve for x
    x = 251,057,893,182,675.94/18,939,001.92
  6. Step 6: Final answer
    x = 13,256,131.14

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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.