Home / 21,752,023.20-30,017,192.56-11,962,467.19

Finding the Fourth Proportional to 21,752,023.20, 30,017,192.56 and 11,962,467.19

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Solution

The fourth proportional to 21,752,023.20, 30,017,192.56 and 11,962,467.19 is: 16,507,875.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,752,023.20 : 30,017,192.56 = 11,962,467.19 : x
  2. Step 2: Convert to fraction form
    21,752,023.20/30,017,192.56 = 11,962,467.19/x
  3. Step 3: Cross multiply
    21,752,023.20x = 30,017,192.56 × 11,962,467.19
  4. Step 4: Simplify right side
    21,752,023.20x = 359,079,681,134,912.06
  5. Step 5: Solve for x
    x = 359,079,681,134,912.06/21,752,023.20
  6. Step 6: Final answer
    x = 16,507,875.05

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.