Home / 13,019,832.72-19,525,761.63-9,002,138.76

Finding the Fourth Proportional to 13,019,832.72, 19,525,761.63 and 9,002,138.76

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Solution

The fourth proportional to 13,019,832.72, 19,525,761.63 and 9,002,138.76 is: 13,500,451.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,019,832.72 : 19,525,761.63 = 9,002,138.76 : x
  2. Step 2: Convert to fraction form
    13,019,832.72/19,525,761.63 = 9,002,138.76/x
  3. Step 3: Cross multiply
    13,019,832.72x = 19,525,761.63 × 9,002,138.76
  4. Step 4: Simplify right side
    13,019,832.72x = 175,773,615,587,943.75
  5. Step 5: Solve for x
    x = 175,773,615,587,943.75/13,019,832.72
  6. Step 6: Final answer
    x = 13,500,451.15

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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.