Home / 28,775,366.60-43,163,049.90-19,705,440.20

Finding the Fourth Proportional to 28,775,366.60, 43,163,049.90 and 19,705,440.20

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Solution

The fourth proportional to 28,775,366.60, 43,163,049.90 and 19,705,440.20 is: 29,558,160.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,775,366.60 : 43,163,049.90 = 19,705,440.20 : x
  2. Step 2: Convert to fraction form
    28,775,366.60/43,163,049.90 = 19,705,440.20/x
  3. Step 3: Cross multiply
    28,775,366.60x = 43,163,049.90 × 19,705,440.20
  4. Step 4: Simplify right side
    28,775,366.60x = 850,546,898,654,065.88
  5. Step 5: Solve for x
    x = 850,546,898,654,065.88/28,775,366.60
  6. Step 6: Final answer
    x = 29,558,160.30

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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.