Home / 19,281,819.59-28,924,923.36-6,991,571.84

Finding the Fourth Proportional to 19,281,819.59, 28,924,923.36 and 6,991,571.84

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Solution

The fourth proportional to 19,281,819.59, 28,924,923.36 and 6,991,571.84 is: 10,488,153.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,281,819.59 : 28,924,923.36 = 6,991,571.84 : x
  2. Step 2: Convert to fraction form
    19,281,819.59/28,924,923.36 = 6,991,571.84/x
  3. Step 3: Cross multiply
    19,281,819.59x = 28,924,923.36 × 6,991,571.84
  4. Step 4: Simplify right side
    19,281,819.59x = 202,230,679,493,309.56
  5. Step 5: Solve for x
    x = 202,230,679,493,309.56/19,281,819.59
  6. Step 6: Final answer
    x = 10,488,153.29

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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.