Home / 37,141,503.96-51,256,876.26-20,621,630.76

Finding the Fourth Proportional to 37,141,503.96, 51,256,876.26 and 20,621,630.76

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Solution

The fourth proportional to 37,141,503.96, 51,256,876.26 and 20,621,630.76 is: 28,458,739.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,141,503.96 : 51,256,876.26 = 20,621,630.76 : x
  2. Step 2: Convert to fraction form
    37,141,503.96/51,256,876.26 = 20,621,630.76/x
  3. Step 3: Cross multiply
    37,141,503.96x = 51,256,876.26 × 20,621,630.76
  4. Step 4: Simplify right side
    37,141,503.96x = 1,057,000,376,144,729.75
  5. Step 5: Solve for x
    x = 1,057,000,376,144,729.75/37,141,503.96
  6. Step 6: Final answer
    x = 28,458,739.24

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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.