Home / 21,293,335.11-31,927,211.27-8,324,039.08

Finding the Fourth Proportional to 21,293,335.11, 31,927,211.27 and 8,324,039.08

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Solution

The fourth proportional to 21,293,335.11, 31,927,211.27 and 8,324,039.08 is: 12,481,058.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,293,335.11 : 31,927,211.27 = 8,324,039.08 : x
  2. Step 2: Convert to fraction form
    21,293,335.11/31,927,211.27 = 8,324,039.08/x
  3. Step 3: Cross multiply
    21,293,335.11x = 31,927,211.27 × 8,324,039.08
  4. Step 4: Simplify right side
    21,293,335.11x = 265,763,354,356,400.41
  5. Step 5: Solve for x
    x = 265,763,354,356,400.41/21,293,335.11
  6. Step 6: Final answer
    x = 12,481,058.18

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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.