Home / 19,789,032.92-29,683,126.80-5,412,100.73

Finding the Fourth Proportional to 19,789,032.92, 29,683,126.80 and 5,412,100.73

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Solution

The fourth proportional to 19,789,032.92, 29,683,126.80 and 5,412,100.73 is: 8,118,035.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,789,032.92 : 29,683,126.80 = 5,412,100.73 : x
  2. Step 2: Convert to fraction form
    19,789,032.92/29,683,126.80 = 5,412,100.73/x
  3. Step 3: Cross multiply
    19,789,032.92x = 29,683,126.80 × 5,412,100.73
  4. Step 4: Simplify right side
    19,789,032.92x = 160,648,072,074,546.94
  5. Step 5: Solve for x
    x = 160,648,072,074,546.94/19,789,032.92
  6. Step 6: Final answer
    x = 8,118,035.52

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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.