Home / 28,990,099.70-43,485,149.55-19,434,950.90

Finding the Fourth Proportional to 28,990,099.70, 43,485,149.55 and 19,434,950.90

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Solution

The fourth proportional to 28,990,099.70, 43,485,149.55 and 19,434,950.90 is: 29,152,426.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,990,099.70 : 43,485,149.55 = 19,434,950.90 : x
  2. Step 2: Convert to fraction form
    28,990,099.70/43,485,149.55 = 19,434,950.90/x
  3. Step 3: Cross multiply
    28,990,099.70x = 43,485,149.55 × 19,434,950.90
  4. Step 4: Simplify right side
    28,990,099.70x = 845,131,746,383,407
  5. Step 5: Solve for x
    x = 845,131,746,383,407/28,990,099.70
  6. Step 6: Final answer
    x = 29,152,426.35

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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.