Home / 19,419,612.78-29,133,256.50-7,123,690.26

Finding the Fourth Proportional to 19,419,612.78, 29,133,256.50 and 7,123,690.26

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Solution

The fourth proportional to 19,419,612.78, 29,133,256.50 and 7,123,690.26 is: 10,686,943.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,419,612.78 : 29,133,256.50 = 7,123,690.26 : x
  2. Step 2: Convert to fraction form
    19,419,612.78/29,133,256.50 = 7,123,690.26/x
  3. Step 3: Cross multiply
    19,419,612.78x = 29,133,256.50 × 7,123,690.26
  4. Step 4: Simplify right side
    19,419,612.78x = 207,536,295,571,131.69
  5. Step 5: Solve for x
    x = 207,536,295,571,131.69/19,419,612.78
  6. Step 6: Final answer
    x = 10,686,943.04

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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.