Home / 20,734,562.60-31,090,784.70-8,753,762.60

Finding the Fourth Proportional to 20,734,562.60, 31,090,784.70 and 8,753,762.60

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Solution

The fourth proportional to 20,734,562.60, 31,090,784.70 and 8,753,762.60 is: 13,125,974.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,734,562.60 : 31,090,784.70 = 8,753,762.60 : x
  2. Step 2: Convert to fraction form
    20,734,562.60/31,090,784.70 = 8,753,762.60/x
  3. Step 3: Cross multiply
    20,734,562.60x = 31,090,784.70 × 8,753,762.60
  4. Step 4: Simplify right side
    20,734,562.60x = 272,161,348,311,512.19
  5. Step 5: Solve for x
    x = 272,161,348,311,512.19/20,734,562.60
  6. Step 6: Final answer
    x = 13,125,974.90

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.