Home / 21,019,924.83-29,007,483.44-11,362,132.83

Finding the Fourth Proportional to 21,019,924.83, 29,007,483.44 and 11,362,132.83

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Solution

The fourth proportional to 21,019,924.83, 29,007,483.44 and 11,362,132.83 is: 15,679,736.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,019,924.83 : 29,007,483.44 = 11,362,132.83 : x
  2. Step 2: Convert to fraction form
    21,019,924.83/29,007,483.44 = 11,362,132.83/x
  3. Step 3: Cross multiply
    21,019,924.83x = 29,007,483.44 × 11,362,132.83
  4. Step 4: Simplify right side
    21,019,924.83x = 329,586,879,852,494.69
  5. Step 5: Solve for x
    x = 329,586,879,852,494.69/21,019,924.83
  6. Step 6: Final answer
    x = 15,679,736.37

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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.