Home / 38,487,709.09-53,112,615.26-20,846,172.75

Finding the Fourth Proportional to 38,487,709.09, 53,112,615.26 and 20,846,172.75

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Solution

The fourth proportional to 38,487,709.09, 53,112,615.26 and 20,846,172.75 is: 28,767,489.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,487,709.09 : 53,112,615.26 = 20,846,172.75 : x
  2. Step 2: Convert to fraction form
    38,487,709.09/53,112,615.26 = 20,846,172.75/x
  3. Step 3: Cross multiply
    38,487,709.09x = 53,112,615.26 × 20,846,172.75
  4. Step 4: Simplify right side
    38,487,709.09x = 1,107,194,752,914,246.12
  5. Step 5: Solve for x
    x = 1,107,194,752,914,246.12/38,487,709.09
  6. Step 6: Final answer
    x = 28,767,489.13

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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.