Home / 13,608,483.15-20,399,438.70-12,173,592.45

Finding the Fourth Proportional to 13,608,483.15, 20,399,438.70 and 12,173,592.45

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Solution

The fourth proportional to 13,608,483.15, 20,399,438.70 and 12,173,592.45 is: 18,248,503.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,608,483.15 : 20,399,438.70 = 12,173,592.45 : x
  2. Step 2: Convert to fraction form
    13,608,483.15/20,399,438.70 = 12,173,592.45/x
  3. Step 3: Cross multiply
    13,608,483.15x = 20,399,438.70 × 12,173,592.45
  4. Step 4: Simplify right side
    13,608,483.15x = 248,334,452,942,557.78
  5. Step 5: Solve for x
    x = 248,334,452,942,557.78/13,608,483.15
  6. Step 6: Final answer
    x = 18,248,503.54

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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.