Home / 19,887,876.90-29,832,456.84-5,511,083.22

Finding the Fourth Proportional to 19,887,876.90, 29,832,456.84 and 5,511,083.22

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Solution

The fourth proportional to 19,887,876.90, 29,832,456.84 and 5,511,083.22 is: 8,266,802.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,887,876.90 : 29,832,456.84 = 5,511,083.22 : x
  2. Step 2: Convert to fraction form
    19,887,876.90/29,832,456.84 = 5,511,083.22/x
  3. Step 3: Cross multiply
    19,887,876.90x = 29,832,456.84 × 5,511,083.22
  4. Step 4: Simplify right side
    19,887,876.90x = 164,409,152,302,298.22
  5. Step 5: Solve for x
    x = 164,409,152,302,298.22/19,887,876.90
  6. Step 6: Final answer
    x = 8,266,802.59

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.