Home / 37,440,285.67-51,669,590.09-20,920,811.25

Finding the Fourth Proportional to 37,440,285.67, 51,669,590.09 and 20,920,811.25

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Solution

The fourth proportional to 37,440,285.67, 51,669,590.09 and 20,920,811.25 is: 28,871,834.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,440,285.67 : 51,669,590.09 = 20,920,811.25 : x
  2. Step 2: Convert to fraction form
    37,440,285.67/51,669,590.09 = 20,920,811.25/x
  3. Step 3: Cross multiply
    37,440,285.67x = 51,669,590.09 × 20,920,811.25
  4. Step 4: Simplify right side
    37,440,285.67x = 1,080,969,741,320,374.88
  5. Step 5: Solve for x
    x = 1,080,969,741,320,374.88/37,440,285.67
  6. Step 6: Final answer
    x = 28,871,834.76

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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.