Home / 42,177,954.81-63,274,608.60-19,149,238.47

Finding the Fourth Proportional to 42,177,954.81, 63,274,608.60 and 19,149,238.47

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Solution

The fourth proportional to 42,177,954.81, 63,274,608.60 and 19,149,238.47 is: 28,727,342.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,177,954.81 : 63,274,608.60 = 19,149,238.47 : x
  2. Step 2: Convert to fraction form
    42,177,954.81/63,274,608.60 = 19,149,238.47/x
  3. Step 3: Cross multiply
    42,177,954.81x = 63,274,608.60 × 19,149,238.47
  4. Step 4: Simplify right side
    42,177,954.81x = 1,211,660,569,177,312.75
  5. Step 5: Solve for x
    x = 1,211,660,569,177,312.75/42,177,954.81
  6. Step 6: Final answer
    x = 28,727,342.87

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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.