Home / 19,179,167.04-28,780,100.64-7,057,143

Finding the Fourth Proportional to 19,179,167.04, 28,780,100.64 and 7,057,143

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Solution

The fourth proportional to 19,179,167.04, 28,780,100.64 and 7,057,143 is: 10,589,890.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,179,167.04 : 28,780,100.64 = 7,057,143 : x
  2. Step 2: Convert to fraction form
    19,179,167.04/28,780,100.64 = 7,057,143/x
  3. Step 3: Cross multiply
    19,179,167.04x = 28,780,100.64 × 7,057,143
  4. Step 4: Simplify right side
    19,179,167.04x = 203,105,285,770,871.53
  5. Step 5: Solve for x
    x = 203,105,285,770,871.53/19,179,167.04
  6. Step 6: Final answer
    x = 10,589,890.86

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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.