Home / 21,077,033.22-29,070,257.94-18,141,845.94

Finding the Fourth Proportional to 21,077,033.22, 29,070,257.94 and 18,141,845.94

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Solution

The fourth proportional to 21,077,033.22, 29,070,257.94 and 18,141,845.94 is: 25,021,934.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,077,033.22 : 29,070,257.94 = 18,141,845.94 : x
  2. Step 2: Convert to fraction form
    21,077,033.22/29,070,257.94 = 18,141,845.94/x
  3. Step 3: Cross multiply
    21,077,033.22x = 29,070,257.94 × 18,141,845.94
  4. Step 4: Simplify right side
    21,077,033.22x = 527,388,140,983,541.81
  5. Step 5: Solve for x
    x = 527,388,140,983,541.81/21,077,033.22
  6. Step 6: Final answer
    x = 25,021,934.32

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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.