Home / 21,819,163.89-32,728,909.83-9,685,365.30

Finding the Fourth Proportional to 21,819,163.89, 32,728,909.83 and 9,685,365.30

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Solution

The fourth proportional to 21,819,163.89, 32,728,909.83 and 9,685,365.30 is: 14,528,120.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,819,163.89 : 32,728,909.83 = 9,685,365.30 : x
  2. Step 2: Convert to fraction form
    21,819,163.89/32,728,909.83 = 9,685,365.30/x
  3. Step 3: Cross multiply
    21,819,163.89x = 32,728,909.83 × 9,685,365.30
  4. Step 4: Simplify right side
    21,819,163.89x = 316,991,447,574,310.88
  5. Step 5: Solve for x
    x = 316,991,447,574,310.88/21,819,163.89
  6. Step 6: Final answer
    x = 14,528,120.75

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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.