Home / 12,219,593.37-18,331,750.35-4,645,970.25

Finding the Fourth Proportional to 12,219,593.37, 18,331,750.35 and 4,645,970.25

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Solution

The fourth proportional to 12,219,593.37, 18,331,750.35 and 4,645,970.25 is: 6,969,852.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,219,593.37 : 18,331,750.35 = 4,645,970.25 : x
  2. Step 2: Convert to fraction form
    12,219,593.37/18,331,750.35 = 4,645,970.25/x
  3. Step 3: Cross multiply
    12,219,593.37x = 18,331,750.35 × 4,645,970.25
  4. Step 4: Simplify right side
    12,219,593.37x = 85,168,766,756,527.09
  5. Step 5: Solve for x
    x = 85,168,766,756,527.09/12,219,593.37
  6. Step 6: Final answer
    x = 6,969,852.77

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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.