Home / 12,349,073.78-18,523,342.77-4,261,777.42

Finding the Fourth Proportional to 12,349,073.78, 18,523,342.77 and 4,261,777.42

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Solution

The fourth proportional to 12,349,073.78, 18,523,342.77 and 4,261,777.42 is: 6,392,573.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,349,073.78 : 18,523,342.77 = 4,261,777.42 : x
  2. Step 2: Convert to fraction form
    12,349,073.78/18,523,342.77 = 4,261,777.42/x
  3. Step 3: Cross multiply
    12,349,073.78x = 18,523,342.77 × 4,261,777.42
  4. Step 4: Simplify right side
    12,349,073.78x = 78,942,363,897,816.23
  5. Step 5: Solve for x
    x = 78,942,363,897,816.23/12,349,073.78
  6. Step 6: Final answer
    x = 6,392,573.67

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1.5x scale

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.