Home / 21,293,685.96-31,927,736.15-8,324,389.65

Finding the Fourth Proportional to 21,293,685.96, 31,927,736.15 and 8,324,389.65

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Solution

The fourth proportional to 21,293,685.96, 31,927,736.15 and 8,324,389.65 is: 12,481,583.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,293,685.96 : 31,927,736.15 = 8,324,389.65 : x
  2. Step 2: Convert to fraction form
    21,293,685.96/31,927,736.15 = 8,324,389.65/x
  3. Step 3: Cross multiply
    21,293,685.96x = 31,927,736.15 × 8,324,389.65
  4. Step 4: Simplify right side
    21,293,685.96x = 265,778,916,464,314.34
  5. Step 5: Solve for x
    x = 265,778,916,464,314.34/21,293,685.96
  6. Step 6: Final answer
    x = 12,481,583.37

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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.