Home / 20,063,298.45-30,043,858.40-13,219,122.02

Finding the Fourth Proportional to 20,063,298.45, 30,043,858.40 and 13,219,122.02

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Solution

The fourth proportional to 20,063,298.45, 30,043,858.40 and 13,219,122.02 is: 19,795,021.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,063,298.45 : 30,043,858.40 = 13,219,122.02 : x
  2. Step 2: Convert to fraction form
    20,063,298.45/30,043,858.40 = 13,219,122.02/x
  3. Step 3: Cross multiply
    20,063,298.45x = 30,043,858.40 × 13,219,122.02
  4. Step 4: Simplify right side
    20,063,298.45x = 397,153,429,924,887.06
  5. Step 5: Solve for x
    x = 397,153,429,924,887.06/20,063,298.45
  6. Step 6: Final answer
    x = 19,795,021.79

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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.