Home / 20,447,147.60-30,695,604.60-10,344,568.40

Finding the Fourth Proportional to 20,447,147.60, 30,695,604.60 and 10,344,568.40

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Solution

The fourth proportional to 20,447,147.60, 30,695,604.60 and 10,344,568.40 is: 15,529,441.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,447,147.60 : 30,695,604.60 = 10,344,568.40 : x
  2. Step 2: Convert to fraction form
    20,447,147.60/30,695,604.60 = 10,344,568.40/x
  3. Step 3: Cross multiply
    20,447,147.60x = 30,695,604.60 × 10,344,568.40
  4. Step 4: Simplify right side
    20,447,147.60x = 317,532,781,364,054.69
  5. Step 5: Solve for x
    x = 317,532,781,364,054.69/20,447,147.60
  6. Step 6: Final answer
    x = 15,529,441.44

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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.