Home / 21,485,579.16-29,650,015.26-11,696,567.16

Finding the Fourth Proportional to 21,485,579.16, 29,650,015.26 and 11,696,567.16

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Solution

The fourth proportional to 21,485,579.16, 29,650,015.26 and 11,696,567.16 is: 16,141,216.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,485,579.16 : 29,650,015.26 = 11,696,567.16 : x
  2. Step 2: Convert to fraction form
    21,485,579.16/29,650,015.26 = 11,696,567.16/x
  3. Step 3: Cross multiply
    21,485,579.16x = 29,650,015.26 × 11,696,567.16
  4. Step 4: Simplify right side
    21,485,579.16x = 346,803,394,783,614.88
  5. Step 5: Solve for x
    x = 346,803,394,783,614.88/21,485,579.16
  6. Step 6: Final answer
    x = 16,141,216.96

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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.