Home / 6,142,915.50-8,477,213.45-3,389,600.87

Finding the Fourth Proportional to 6,142,915.50, 8,477,213.45 and 3,389,600.87

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Solution

The fourth proportional to 6,142,915.50, 8,477,213.45 and 3,389,600.87 is: 4,677,643.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,142,915.50 : 8,477,213.45 = 3,389,600.87 : x
  2. Step 2: Convert to fraction form
    6,142,915.50/8,477,213.45 = 3,389,600.87/x
  3. Step 3: Cross multiply
    6,142,915.50x = 8,477,213.45 × 3,389,600.87
  4. Step 4: Simplify right side
    6,142,915.50x = 28,734,370,025,961.63
  5. Step 5: Solve for x
    x = 28,734,370,025,961.63/6,142,915.50
  6. Step 6: Final answer
    x = 4,677,643.71

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.