Home / 40,096,880.96-55,333,749.60-21,762,166.72

Finding the Fourth Proportional to 40,096,880.96, 55,333,749.60 and 21,762,166.72

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Solution

The fourth proportional to 40,096,880.96, 55,333,749.60 and 21,762,166.72 is: 30,031,819.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,096,880.96 : 55,333,749.60 = 21,762,166.72 : x
  2. Step 2: Convert to fraction form
    40,096,880.96/55,333,749.60 = 21,762,166.72/x
  3. Step 3: Cross multiply
    40,096,880.96x = 55,333,749.60 × 21,762,166.72
  4. Step 4: Simplify right side
    40,096,880.96x = 1,204,182,284,037,933.25
  5. Step 5: Solve for x
    x = 1,204,182,284,037,933.25/40,096,880.96
  6. Step 6: Final answer
    x = 30,031,819.31

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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.