Home / 25,705,313.80-38,620,956.30-19,328,021.80

Finding the Fourth Proportional to 25,705,313.80, 38,620,956.30 and 19,328,021.80

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Solution

The fourth proportional to 25,705,313.80, 38,620,956.30 and 19,328,021.80 is: 29,039,392.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,705,313.80 : 38,620,956.30 = 19,328,021.80 : x
  2. Step 2: Convert to fraction form
    25,705,313.80/38,620,956.30 = 19,328,021.80/x
  3. Step 3: Cross multiply
    25,705,313.80x = 38,620,956.30 × 19,328,021.80
  4. Step 4: Simplify right side
    25,705,313.80x = 746,466,685,303,247.25
  5. Step 5: Solve for x
    x = 746,466,685,303,247.25/25,705,313.80
  6. Step 6: Final answer
    x = 29,039,392.05

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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.