Home / 28,738,575-39,659,234.04-19,587,204.72

Finding the Fourth Proportional to 28,738,575, 39,659,234.04 and 19,587,204.72

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Solution

The fourth proportional to 28,738,575, 39,659,234.04 and 19,587,204.72 is: 27,030,342.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,738,575 : 39,659,234.04 = 19,587,204.72 : x
  2. Step 2: Convert to fraction form
    28,738,575/39,659,234.04 = 19,587,204.72/x
  3. Step 3: Cross multiply
    28,738,575x = 39,659,234.04 × 19,587,204.72
  4. Step 4: Simplify right side
    28,738,575x = 776,813,536,179,872.62
  5. Step 5: Solve for x
    x = 776,813,536,179,872.62/28,738,575
  6. Step 6: Final answer
    x = 27,030,342.88

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1.5x scale

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.