Home / 8,489,611.20-12,734,416.80-5,938,694.40

Finding the Fourth Proportional to 8,489,611.20, 12,734,416.80 and 5,938,694.40

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Solution

The fourth proportional to 8,489,611.20, 12,734,416.80 and 5,938,694.40 is: 8,908,041.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,489,611.20 : 12,734,416.80 = 5,938,694.40 : x
  2. Step 2: Convert to fraction form
    8,489,611.20/12,734,416.80 = 5,938,694.40/x
  3. Step 3: Cross multiply
    8,489,611.20x = 12,734,416.80 × 5,938,694.40
  4. Step 4: Simplify right side
    8,489,611.20x = 75,625,809,737,425.92
  5. Step 5: Solve for x
    x = 75,625,809,737,425.92/8,489,611.20
  6. Step 6: Final answer
    x = 8,908,041.60

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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.