Home / 21,674,394.77-29,881,729.64-17,218,733.82

Finding the Fourth Proportional to 21,674,394.77, 29,881,729.64 and 17,218,733.82

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Solution

The fourth proportional to 21,674,394.77, 29,881,729.64 and 17,218,733.82 is: 23,738,865.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,674,394.77 : 29,881,729.64 = 17,218,733.82 : x
  2. Step 2: Convert to fraction form
    21,674,394.77/29,881,729.64 = 17,218,733.82/x
  3. Step 3: Cross multiply
    21,674,394.77x = 29,881,729.64 × 17,218,733.82
  4. Step 4: Simplify right side
    21,674,394.77x = 514,525,548,618,784.56
  5. Step 5: Solve for x
    x = 514,525,548,618,784.56/21,674,394.77
  6. Step 6: Final answer
    x = 23,738,865.79

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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.