Home / 25,970,709.60-38,956,064.40-12,504,290.40

Finding the Fourth Proportional to 25,970,709.60, 38,956,064.40 and 12,504,290.40

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Solution

The fourth proportional to 25,970,709.60, 38,956,064.40 and 12,504,290.40 is: 18,756,435.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,970,709.60 : 38,956,064.40 = 12,504,290.40 : x
  2. Step 2: Convert to fraction form
    25,970,709.60/38,956,064.40 = 12,504,290.40/x
  3. Step 3: Cross multiply
    25,970,709.60x = 38,956,064.40 × 12,504,290.40
  4. Step 4: Simplify right side
    25,970,709.60x = 487,117,942,098,701.75
  5. Step 5: Solve for x
    x = 487,117,942,098,701.75/25,970,709.60
  6. Step 6: Final answer
    x = 18,756,435.60

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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.