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Finding the Fourth Proportional to 52,571,662.70, 78,857,494.05 and 16,669,870.70

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Solution

The fourth proportional to 52,571,662.70, 78,857,494.05 and 16,669,870.70 is: 25,004,806.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,571,662.70 : 78,857,494.05 = 16,669,870.70 : x
  2. Step 2: Convert to fraction form
    52,571,662.70/78,857,494.05 = 16,669,870.70/x
  3. Step 3: Cross multiply
    52,571,662.70x = 78,857,494.05 × 16,669,870.70
  4. Step 4: Simplify right side
    52,571,662.70x = 1,314,544,229,539,519.25
  5. Step 5: Solve for x
    x = 1,314,544,229,539,519.25/52,571,662.70
  6. Step 6: Final answer
    x = 25,004,806.05

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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.