Home / 12,219,592.87-18,331,749.60-4,645,969.75

Finding the Fourth Proportional to 12,219,592.87, 18,331,749.60 and 4,645,969.75

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Solution

The fourth proportional to 12,219,592.87, 18,331,749.60 and 4,645,969.75 is: 6,969,852.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,219,592.87 : 18,331,749.60 = 4,645,969.75 : x
  2. Step 2: Convert to fraction form
    12,219,592.87/18,331,749.60 = 4,645,969.75/x
  3. Step 3: Cross multiply
    12,219,592.87x = 18,331,749.60 × 4,645,969.75
  4. Step 4: Simplify right side
    12,219,592.87x = 85,168,754,106,174.61
  5. Step 5: Solve for x
    x = 85,168,754,106,174.61/12,219,592.87
  6. Step 6: Final answer
    x = 6,969,852.02

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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.