Home / 13,826,625.60-20,739,938.40-12,986,817.60

Finding the Fourth Proportional to 13,826,625.60, 20,739,938.40 and 12,986,817.60

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Solution

The fourth proportional to 13,826,625.60, 20,739,938.40 and 12,986,817.60 is: 19,480,226.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,826,625.60 : 20,739,938.40 = 12,986,817.60 : x
  2. Step 2: Convert to fraction form
    13,826,625.60/20,739,938.40 = 12,986,817.60/x
  3. Step 3: Cross multiply
    13,826,625.60x = 20,739,938.40 × 12,986,817.60
  4. Step 4: Simplify right side
    13,826,625.60x = 269,345,797,036,035.81
  5. Step 5: Solve for x
    x = 269,345,797,036,035.81/13,826,625.60
  6. Step 6: Final answer
    x = 19,480,226.40

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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.