Home / 18,725,600.40-28,088,400.60-12,007,136.40

Finding the Fourth Proportional to 18,725,600.40, 28,088,400.60 and 12,007,136.40

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Solution

The fourth proportional to 18,725,600.40, 28,088,400.60 and 12,007,136.40 is: 18,010,704.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,725,600.40 : 28,088,400.60 = 12,007,136.40 : x
  2. Step 2: Convert to fraction form
    18,725,600.40/28,088,400.60 = 12,007,136.40/x
  3. Step 3: Cross multiply
    18,725,600.40x = 28,088,400.60 × 12,007,136.40
  4. Step 4: Simplify right side
    18,725,600.40x = 337,261,257,262,041.88
  5. Step 5: Solve for x
    x = 337,261,257,262,041.88/18,725,600.40
  6. Step 6: Final answer
    x = 18,010,704.60

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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.