Home / 38,074,128.84-57,089,731.26-12,508,273.80

Finding the Fourth Proportional to 38,074,128.84, 57,089,731.26 and 12,508,273.80

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Solution

The fourth proportional to 38,074,128.84, 57,089,731.26 and 12,508,273.80 is: 18,755,359.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,074,128.84 : 57,089,731.26 = 12,508,273.80 : x
  2. Step 2: Convert to fraction form
    38,074,128.84/57,089,731.26 = 12,508,273.80/x
  3. Step 3: Cross multiply
    38,074,128.84x = 57,089,731.26 × 12,508,273.80
  4. Step 4: Simplify right side
    38,074,128.84x = 714,093,989,768,499
  5. Step 5: Solve for x
    x = 714,093,989,768,499/38,074,128.84
  6. Step 6: Final answer
    x = 18,755,359.91

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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.