Home / 19,134,064.80-28,691,247.60-5,669,143.20

Finding the Fourth Proportional to 19,134,064.80, 28,691,247.60 and 5,669,143.20

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Solution

The fourth proportional to 19,134,064.80, 28,691,247.60 and 5,669,143.20 is: 8,500,796.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,134,064.80 : 28,691,247.60 = 5,669,143.20 : x
  2. Step 2: Convert to fraction form
    19,134,064.80/28,691,247.60 = 5,669,143.20/x
  3. Step 3: Cross multiply
    19,134,064.80x = 28,691,247.60 × 5,669,143.20
  4. Step 4: Simplify right side
    19,134,064.80x = 162,654,791,231,056.34
  5. Step 5: Solve for x
    x = 162,654,791,231,056.34/19,134,064.80
  6. Step 6: Final answer
    x = 8,500,796.51

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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.