Home / 28,141,336.38-38,834,642.55-15,581,190.69

Finding the Fourth Proportional to 28,141,336.38, 38,834,642.55 and 15,581,190.69

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Solution

The fourth proportional to 28,141,336.38, 38,834,642.55 and 15,581,190.69 is: 21,501,820.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,141,336.38 : 38,834,642.55 = 15,581,190.69 : x
  2. Step 2: Convert to fraction form
    28,141,336.38/38,834,642.55 = 15,581,190.69/x
  3. Step 3: Cross multiply
    28,141,336.38x = 38,834,642.55 × 15,581,190.69
  4. Step 4: Simplify right side
    28,141,336.38x = 605,089,970,884,912.50
  5. Step 5: Solve for x
    x = 605,089,970,884,912.50/28,141,336.38
  6. Step 6: Final answer
    x = 21,501,820.77

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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.