Home / 21,548,053.62-29,736,944.97-11,759,128.59

Finding the Fourth Proportional to 21,548,053.62, 29,736,944.97 and 11,759,128.59

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Solution

The fourth proportional to 21,548,053.62, 29,736,944.97 and 11,759,128.59 is: 16,227,941.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,548,053.62 : 29,736,944.97 = 11,759,128.59 : x
  2. Step 2: Convert to fraction form
    21,548,053.62/29,736,944.97 = 11,759,128.59/x
  3. Step 3: Cross multiply
    21,548,053.62x = 29,736,944.97 × 11,759,128.59
  4. Step 4: Simplify right side
    21,548,053.62x = 349,680,559,775,983.69
  5. Step 5: Solve for x
    x = 349,680,559,775,983.69/21,548,053.62
  6. Step 6: Final answer
    x = 16,227,941.79

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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.