Home / 13,528,296.28-20,290,578.18-7,474,213.72

Finding the Fourth Proportional to 13,528,296.28, 20,290,578.18 and 7,474,213.72

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Solution

The fourth proportional to 13,528,296.28, 20,290,578.18 and 7,474,213.72 is: 11,210,289.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,528,296.28 : 20,290,578.18 = 7,474,213.72 : x
  2. Step 2: Convert to fraction form
    13,528,296.28/20,290,578.18 = 7,474,213.72/x
  3. Step 3: Cross multiply
    13,528,296.28x = 20,290,578.18 × 7,474,213.72
  4. Step 4: Simplify right side
    13,528,296.28x = 151,656,117,819,688.62
  5. Step 5: Solve for x
    x = 151,656,117,819,688.62/13,528,296.28
  6. Step 6: Final answer
    x = 11,210,289.51

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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.