Home / 21,525,564.15-29,733,633.84-15,955,103.22

Finding the Fourth Proportional to 21,525,564.15, 29,733,633.84 and 15,955,103.22

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Solution

The fourth proportional to 21,525,564.15, 29,733,633.84 and 15,955,103.22 is: 22,039,059.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,525,564.15 : 29,733,633.84 = 15,955,103.22 : x
  2. Step 2: Convert to fraction form
    21,525,564.15/29,733,633.84 = 15,955,103.22/x
  3. Step 3: Cross multiply
    21,525,564.15x = 29,733,633.84 × 15,955,103.22
  4. Step 4: Simplify right side
    21,525,564.15x = 474,403,197,022,885
  5. Step 5: Solve for x
    x = 474,403,197,022,885/21,525,564.15
  6. Step 6: Final answer
    x = 22,039,059.87

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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.