Home / 13,184,471.85-19,772,515.34-12,323,760.82

Finding the Fourth Proportional to 13,184,471.85, 19,772,515.34 and 12,323,760.82

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Solution

The fourth proportional to 13,184,471.85, 19,772,515.34 and 12,323,760.82 is: 18,481,722.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,184,471.85 : 19,772,515.34 = 12,323,760.82 : x
  2. Step 2: Convert to fraction form
    13,184,471.85/19,772,515.34 = 12,323,760.82/x
  3. Step 3: Cross multiply
    13,184,471.85x = 19,772,515.34 × 12,323,760.82
  4. Step 4: Simplify right side
    13,184,471.85x = 243,671,749,859,940.97
  5. Step 5: Solve for x
    x = 243,671,749,859,940.97/13,184,471.85
  6. Step 6: Final answer
    x = 18,481,722.49

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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.