Home / 19,407,625.20-29,135,399.40-12,219,145.20

Finding the Fourth Proportional to 19,407,625.20, 29,135,399.40 and 12,219,145.20

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Solution

The fourth proportional to 19,407,625.20, 29,135,399.40 and 12,219,145.20 is: 18,343,804.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,407,625.20 : 29,135,399.40 = 12,219,145.20 : x
  2. Step 2: Convert to fraction form
    19,407,625.20/29,135,399.40 = 12,219,145.20/x
  3. Step 3: Cross multiply
    19,407,625.20x = 29,135,399.40 × 12,219,145.20
  4. Step 4: Simplify right side
    19,407,625.20x = 356,009,675,728,592.81
  5. Step 5: Solve for x
    x = 356,009,675,728,592.81/19,407,625.20
  6. Step 6: Final answer
    x = 18,343,804.15

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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.