Home / 20,063,301.45-30,043,862.88-13,219,125.02

Finding the Fourth Proportional to 20,063,301.45, 30,043,862.88 and 13,219,125.02

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Solution

The fourth proportional to 20,063,301.45, 30,043,862.88 and 13,219,125.02 is: 19,795,026.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,063,301.45 : 30,043,862.88 = 13,219,125.02 : x
  2. Step 2: Convert to fraction form
    20,063,301.45/30,043,862.88 = 13,219,125.02/x
  3. Step 3: Cross multiply
    20,063,301.45x = 30,043,862.88 × 13,219,125.02
  4. Step 4: Simplify right side
    20,063,301.45x = 397,153,579,344,237.94
  5. Step 5: Solve for x
    x = 397,153,579,344,237.94/20,063,301.45
  6. Step 6: Final answer
    x = 19,795,026.27

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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.