Home / 21,587,663.70-29,790,927.43-12,295,233.14

Finding the Fourth Proportional to 21,587,663.70, 29,790,927.43 and 12,295,233.14

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Solution

The fourth proportional to 21,587,663.70, 29,790,927.43 and 12,295,233.14 is: 16,967,394.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,587,663.70 : 29,790,927.43 = 12,295,233.14 : x
  2. Step 2: Convert to fraction form
    21,587,663.70/29,790,927.43 = 12,295,233.14/x
  3. Step 3: Cross multiply
    21,587,663.70x = 29,790,927.43 × 12,295,233.14
  4. Step 4: Simplify right side
    21,587,663.70x = 366,286,398,028,978.31
  5. Step 5: Solve for x
    x = 366,286,398,028,978.31/21,587,663.70
  6. Step 6: Final answer
    x = 16,967,394.12

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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.