Home / 13,782,601.72-19,021,102.36-7,902,783.02

Finding the Fourth Proportional to 13,782,601.72, 19,021,102.36 and 7,902,783.02

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Solution

The fourth proportional to 13,782,601.72, 19,021,102.36 and 7,902,783.02 is: 10,906,478.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,782,601.72 : 19,021,102.36 = 7,902,783.02 : x
  2. Step 2: Convert to fraction form
    13,782,601.72/19,021,102.36 = 7,902,783.02/x
  3. Step 3: Cross multiply
    13,782,601.72x = 19,021,102.36 × 7,902,783.02
  4. Step 4: Simplify right side
    13,782,601.72x = 150,319,644,752,289.91
  5. Step 5: Solve for x
    x = 150,319,644,752,289.91/13,782,601.72
  6. Step 6: Final answer
    x = 10,906,478.17

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.