Home / 21,077,396.72-29,077,900.67-14,110,318.82

Finding the Fourth Proportional to 21,077,396.72, 29,077,900.67 and 14,110,318.82

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Solution

The fourth proportional to 21,077,396.72, 29,077,900.67 and 14,110,318.82 is: 19,466,277.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,077,396.72 : 29,077,900.67 = 14,110,318.82 : x
  2. Step 2: Convert to fraction form
    21,077,396.72/29,077,900.67 = 14,110,318.82/x
  3. Step 3: Cross multiply
    21,077,396.72x = 29,077,900.67 × 14,110,318.82
  4. Step 4: Simplify right side
    21,077,396.72x = 410,298,448,959,877.88
  5. Step 5: Solve for x
    x = 410,298,448,959,877.88/21,077,396.72
  6. Step 6: Final answer
    x = 19,466,277.28

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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.