Home / 7,461,093.20-11,191,639.80-5,193,611.60

Finding the Fourth Proportional to 7,461,093.20, 11,191,639.80 and 5,193,611.60

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Solution

The fourth proportional to 7,461,093.20, 11,191,639.80 and 5,193,611.60 is: 7,790,417.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,461,093.20 : 11,191,639.80 = 5,193,611.60 : x
  2. Step 2: Convert to fraction form
    7,461,093.20/11,191,639.80 = 5,193,611.60/x
  3. Step 3: Cross multiply
    7,461,093.20x = 11,191,639.80 × 5,193,611.60
  4. Step 4: Simplify right side
    7,461,093.20x = 58,125,030,288,301.68
  5. Step 5: Solve for x
    x = 58,125,030,288,301.68/7,461,093.20
  6. Step 6: Final answer
    x = 7,790,417.40

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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.