Home / 18,682,410.40-28,023,615.60-12,299,869.60

Finding the Fourth Proportional to 18,682,410.40, 28,023,615.60 and 12,299,869.60

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Solution

The fourth proportional to 18,682,410.40, 28,023,615.60 and 12,299,869.60 is: 18,449,804.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,682,410.40 : 28,023,615.60 = 12,299,869.60 : x
  2. Step 2: Convert to fraction form
    18,682,410.40/28,023,615.60 = 12,299,869.60/x
  3. Step 3: Cross multiply
    18,682,410.40x = 28,023,615.60 × 12,299,869.60
  4. Step 4: Simplify right side
    18,682,410.40x = 344,686,817,600,525.75
  5. Step 5: Solve for x
    x = 344,686,817,600,525.75/18,682,410.40
  6. Step 6: Final answer
    x = 18,449,804.40

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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.