Home / 21,353,717.63-32,081,675.58-13,692,372.77

Finding the Fourth Proportional to 21,353,717.63, 32,081,675.58 and 13,692,372.77

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Solution

The fourth proportional to 21,353,717.63, 32,081,675.58 and 13,692,372.77 is: 20,571,324.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,353,717.63 : 32,081,675.58 = 13,692,372.77 : x
  2. Step 2: Convert to fraction form
    21,353,717.63/32,081,675.58 = 13,692,372.77/x
  3. Step 3: Cross multiply
    21,353,717.63x = 32,081,675.58 × 13,692,372.77
  4. Step 4: Simplify right side
    21,353,717.63x = 439,274,261,207,770.12
  5. Step 5: Solve for x
    x = 439,274,261,207,770.12/21,353,717.63
  6. Step 6: Final answer
    x = 20,571,324.81

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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.