Home / 38,525,035.50-53,164,620.03-20,883,883.50

Finding the Fourth Proportional to 38,525,035.50, 53,164,620.03 and 20,883,883.50

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Solution

The fourth proportional to 38,525,035.50, 53,164,620.03 and 20,883,883.50 is: 28,819,797.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,525,035.50 : 53,164,620.03 = 20,883,883.50 : x
  2. Step 2: Convert to fraction form
    38,525,035.50/53,164,620.03 = 20,883,883.50/x
  3. Step 3: Cross multiply
    38,525,035.50x = 53,164,620.03 × 20,883,883.50
  4. Step 4: Simplify right side
    38,525,035.50x = 1,110,283,731,028,286.50
  5. Step 5: Solve for x
    x = 1,110,283,731,028,286.50/38,525,035.50
  6. Step 6: Final answer
    x = 28,819,797.74

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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.