Home / 20,447,144.10-30,695,599.35-10,344,564.90

Finding the Fourth Proportional to 20,447,144.10, 30,695,599.35 and 10,344,564.90

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Solution

The fourth proportional to 20,447,144.10, 30,695,599.35 and 10,344,564.90 is: 15,529,436.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,447,144.10 : 30,695,599.35 = 10,344,564.90 : x
  2. Step 2: Convert to fraction form
    20,447,144.10/30,695,599.35 = 10,344,564.90/x
  3. Step 3: Cross multiply
    20,447,144.10x = 30,695,599.35 × 10,344,564.90
  4. Step 4: Simplify right side
    20,447,144.10x = 317,532,619,620,472.81
  5. Step 5: Solve for x
    x = 317,532,619,620,472.81/20,447,144.10
  6. Step 6: Final answer
    x = 15,529,436.19

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1.5x scale

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.