Home / 28,762,400.60-43,137,380.10-12,588,320.60

Finding the Fourth Proportional to 28,762,400.60, 43,137,380.10 and 12,588,320.60

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Solution

The fourth proportional to 28,762,400.60, 43,137,380.10 and 12,588,320.60 is: 18,879,758.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,762,400.60 : 43,137,380.10 = 12,588,320.60 : x
  2. Step 2: Convert to fraction form
    28,762,400.60/43,137,380.10 = 12,588,320.60/x
  3. Step 3: Cross multiply
    28,762,400.60x = 43,137,380.10 × 12,588,320.60
  4. Step 4: Simplify right side
    28,762,400.60x = 543,027,170,542,860.06
  5. Step 5: Solve for x
    x = 543,027,170,542,860.06/28,762,400.60
  6. Step 6: Final answer
    x = 18,879,758.27

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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.