Home / 32,783,629.89-45,261,826.72-20,869,166.06

Finding the Fourth Proportional to 32,783,629.89, 45,261,826.72 and 20,869,166.06

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Solution

The fourth proportional to 32,783,629.89, 45,261,826.72 and 20,869,166.06 is: 28,812,446.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,783,629.89 : 45,261,826.72 = 20,869,166.06 : x
  2. Step 2: Convert to fraction form
    32,783,629.89/45,261,826.72 = 20,869,166.06/x
  3. Step 3: Cross multiply
    32,783,629.89x = 45,261,826.72 × 20,869,166.06
  4. Step 4: Simplify right side
    32,783,629.89x = 944,576,577,998,625
  5. Step 5: Solve for x
    x = 944,576,577,998,625/32,783,629.89
  6. Step 6: Final answer
    x = 28,812,446.37

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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.