Home / 28,416,415.80-42,624,623.70-12,460,063.80

Finding the Fourth Proportional to 28,416,415.80, 42,624,623.70 and 12,460,063.80

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Solution

The fourth proportional to 28,416,415.80, 42,624,623.70 and 12,460,063.80 is: 18,690,095.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,416,415.80 : 42,624,623.70 = 12,460,063.80 : x
  2. Step 2: Convert to fraction form
    28,416,415.80/42,624,623.70 = 12,460,063.80/x
  3. Step 3: Cross multiply
    28,416,415.80x = 42,624,623.70 × 12,460,063.80
  4. Step 4: Simplify right side
    28,416,415.80x = 531,105,530,752,992.12
  5. Step 5: Solve for x
    x = 531,105,530,752,992.12/28,416,415.80
  6. Step 6: Final answer
    x = 18,690,095.70

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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.