Home / 12,218,914.80-18,312,625.80-9,364,879.80

Finding the Fourth Proportional to 12,218,914.80, 18,312,625.80 and 9,364,879.80

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Solution

The fourth proportional to 12,218,914.80, 18,312,625.80 and 9,364,879.80 is: 14,035,251.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,218,914.80 : 18,312,625.80 = 9,364,879.80 : x
  2. Step 2: Convert to fraction form
    12,218,914.80/18,312,625.80 = 9,364,879.80/x
  3. Step 3: Cross multiply
    12,218,914.80x = 18,312,625.80 × 9,364,879.80
  4. Step 4: Simplify right side
    12,218,914.80x = 171,495,539,439,378.88
  5. Step 5: Solve for x
    x = 171,495,539,439,378.88/12,218,914.80
  6. Step 6: Final answer
    x = 14,035,251.27

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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.