Home / 19,008,034.20-28,512,051.30-11,449,762.20

Finding the Fourth Proportional to 19,008,034.20, 28,512,051.30 and 11,449,762.20

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Solution

The fourth proportional to 19,008,034.20, 28,512,051.30 and 11,449,762.20 is: 17,174,643.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,008,034.20 : 28,512,051.30 = 11,449,762.20 : x
  2. Step 2: Convert to fraction form
    19,008,034.20/28,512,051.30 = 11,449,762.20/x
  3. Step 3: Cross multiply
    19,008,034.20x = 28,512,051.30 × 11,449,762.20
  4. Step 4: Simplify right side
    19,008,034.20x = 326,456,207,219,200.88
  5. Step 5: Solve for x
    x = 326,456,207,219,200.88/19,008,034.20
  6. Step 6: Final answer
    x = 17,174,643.30

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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.