Home / 21,209,866.16-29,269,634.34-12,042,508.90

Finding the Fourth Proportional to 21,209,866.16, 29,269,634.34 and 12,042,508.90

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Solution

The fourth proportional to 21,209,866.16, 29,269,634.34 and 12,042,508.90 is: 16,618,673.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,209,866.16 : 29,269,634.34 = 12,042,508.90 : x
  2. Step 2: Convert to fraction form
    21,209,866.16/29,269,634.34 = 12,042,508.90/x
  3. Step 3: Cross multiply
    21,209,866.16x = 29,269,634.34 × 12,042,508.90
  4. Step 4: Simplify right side
    21,209,866.16x = 352,479,832,039,195.62
  5. Step 5: Solve for x
    x = 352,479,832,039,195.62/21,209,866.16
  6. Step 6: Final answer
    x = 16,618,673.09

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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.