Home / 36,939,700.76-50,974,357.86-21,256,193.81

Finding the Fourth Proportional to 36,939,700.76, 50,974,357.86 and 21,256,193.81

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Solution

The fourth proportional to 36,939,700.76, 50,974,357.86 and 21,256,193.81 is: 29,332,149.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,939,700.76 : 50,974,357.86 = 21,256,193.81 : x
  2. Step 2: Convert to fraction form
    36,939,700.76/50,974,357.86 = 21,256,193.81/x
  3. Step 3: Cross multiply
    36,939,700.76x = 50,974,357.86 × 21,256,193.81
  4. Step 4: Simplify right side
    36,939,700.76x = 1,083,520,830,139,892.75
  5. Step 5: Solve for x
    x = 1,083,520,830,139,892.75/36,939,700.76
  6. Step 6: Final answer
    x = 29,332,149.64

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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.