Home / 13,047,812.78-19,566,732.78-4,292,054.42

Finding the Fourth Proportional to 13,047,812.78, 19,566,732.78 and 4,292,054.42

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Solution

The fourth proportional to 13,047,812.78, 19,566,732.78 and 4,292,054.42 is: 6,436,441.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,047,812.78 : 19,566,732.78 = 4,292,054.42 : x
  2. Step 2: Convert to fraction form
    13,047,812.78/19,566,732.78 = 4,292,054.42/x
  3. Step 3: Cross multiply
    13,047,812.78x = 19,566,732.78 × 4,292,054.42
  4. Step 4: Simplify right side
    13,047,812.78x = 83,981,481,815,524.23
  5. Step 5: Solve for x
    x = 83,981,481,815,524.23/13,047,812.78
  6. Step 6: Final answer
    x = 6,436,441.36

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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.