Home / 28,762,401.60-43,137,381.60-12,588,321.60

Finding the Fourth Proportional to 28,762,401.60, 43,137,381.60 and 12,588,321.60

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Solution

The fourth proportional to 28,762,401.60, 43,137,381.60 and 12,588,321.60 is: 18,879,759.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,762,401.60 : 43,137,381.60 = 12,588,321.60 : x
  2. Step 2: Convert to fraction form
    28,762,401.60/43,137,381.60 = 12,588,321.60/x
  3. Step 3: Cross multiply
    28,762,401.60x = 43,137,381.60 × 12,588,321.60
  4. Step 4: Simplify right side
    28,762,401.60x = 543,027,232,562,722.56
  5. Step 5: Solve for x
    x = 543,027,232,562,722.56/28,762,401.60
  6. Step 6: Final answer
    x = 18,879,759.77

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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.