Home / 18,851,507.46-28,279,475.73-6,722,695.44

Finding the Fourth Proportional to 18,851,507.46, 28,279,475.73 and 6,722,695.44

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Solution

The fourth proportional to 18,851,507.46, 28,279,475.73 and 6,722,695.44 is: 10,084,832.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,851,507.46 : 28,279,475.73 = 6,722,695.44 : x
  2. Step 2: Convert to fraction form
    18,851,507.46/28,279,475.73 = 6,722,695.44/x
  3. Step 3: Cross multiply
    18,851,507.46x = 28,279,475.73 × 6,722,695.44
  4. Step 4: Simplify right side
    18,851,507.46x = 190,114,302,535,661.69
  5. Step 5: Solve for x
    x = 190,114,302,535,661.69/18,851,507.46
  6. Step 6: Final answer
    x = 10,084,832.89

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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.