Home / 28,759,120.15-39,687,630.21-16,369,213.45

Finding the Fourth Proportional to 28,759,120.15, 39,687,630.21 and 16,369,213.45

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Solution

The fourth proportional to 28,759,120.15, 39,687,630.21 and 16,369,213.45 is: 22,589,539.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,759,120.15 : 39,687,630.21 = 16,369,213.45 : x
  2. Step 2: Convert to fraction form
    28,759,120.15/39,687,630.21 = 16,369,213.45/x
  3. Step 3: Cross multiply
    28,759,120.15x = 39,687,630.21 × 16,369,213.45
  4. Step 4: Simplify right side
    28,759,120.15x = 649,655,290,164,797.25
  5. Step 5: Solve for x
    x = 649,655,290,164,797.25/28,759,120.15
  6. Step 6: Final answer
    x = 22,589,539.83

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.