Home / 12,879,108.80-19,318,663.20-12,680,043.20

Finding the Fourth Proportional to 12,879,108.80, 19,318,663.20 and 12,680,043.20

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Solution

The fourth proportional to 12,879,108.80, 19,318,663.20 and 12,680,043.20 is: 19,020,064.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,879,108.80 : 19,318,663.20 = 12,680,043.20 : x
  2. Step 2: Convert to fraction form
    12,879,108.80/19,318,663.20 = 12,680,043.20/x
  3. Step 3: Cross multiply
    12,879,108.80x = 19,318,663.20 × 12,680,043.20
  4. Step 4: Simplify right side
    12,879,108.80x = 244,961,483,942,250.22
  5. Step 5: Solve for x
    x = 244,961,483,942,250.22/12,879,108.80
  6. Step 6: Final answer
    x = 19,020,064.80

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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.