Home / 15,800,486.22-21,804,670.98-8,557,142.22

Finding the Fourth Proportional to 15,800,486.22, 21,804,670.98 and 8,557,142.22

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Solution

The fourth proportional to 15,800,486.22, 21,804,670.98 and 8,557,142.22 is: 11,808,856.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,800,486.22 : 21,804,670.98 = 8,557,142.22 : x
  2. Step 2: Convert to fraction form
    15,800,486.22/21,804,670.98 = 8,557,142.22/x
  3. Step 3: Cross multiply
    15,800,486.22x = 21,804,670.98 × 8,557,142.22
  4. Step 4: Simplify right side
    15,800,486.22x = 186,585,670,636,166.78
  5. Step 5: Solve for x
    x = 186,585,670,636,166.78/15,800,486.22
  6. Step 6: Final answer
    x = 11,808,856.26

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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.