Home / 21,025,175.18-29,014,736.87-11,857,798.22

Finding the Fourth Proportional to 21,025,175.18, 29,014,736.87 and 11,857,798.22

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Solution

The fourth proportional to 21,025,175.18, 29,014,736.87 and 11,857,798.22 is: 16,363,758.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,025,175.18 : 29,014,736.87 = 11,857,798.22 : x
  2. Step 2: Convert to fraction form
    21,025,175.18/29,014,736.87 = 11,857,798.22/x
  3. Step 3: Cross multiply
    21,025,175.18x = 29,014,736.87 × 11,857,798.22
  4. Step 4: Simplify right side
    21,025,175.18x = 344,050,895,210,854.38
  5. Step 5: Solve for x
    x = 344,050,895,210,854.38/21,025,175.18
  6. Step 6: Final answer
    x = 16,363,758.79

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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.