Home / 19,160,060.70-28,739,820.32-8,919,192.62

Finding the Fourth Proportional to 19,160,060.70, 28,739,820.32 and 8,919,192.62

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Solution

The fourth proportional to 19,160,060.70, 28,739,820.32 and 8,919,192.62 is: 13,378,662.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,160,060.70 : 28,739,820.32 = 8,919,192.62 : x
  2. Step 2: Convert to fraction form
    19,160,060.70/28,739,820.32 = 8,919,192.62/x
  3. Step 3: Cross multiply
    19,160,060.70x = 28,739,820.32 × 8,919,192.62
  4. Step 4: Simplify right side
    19,160,060.70x = 256,335,993,298,270.03
  5. Step 5: Solve for x
    x = 256,335,993,298,270.03/19,160,060.70
  6. Step 6: Final answer
    x = 13,378,662.90

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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.