Home / 21,286,040.70-31,925,950.65-6,138,392.70

Finding the Fourth Proportional to 21,286,040.70, 31,925,950.65 and 6,138,392.70

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Solution

The fourth proportional to 21,286,040.70, 31,925,950.65 and 6,138,392.70 is: 9,206,692.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,286,040.70 : 31,925,950.65 = 6,138,392.70 : x
  2. Step 2: Convert to fraction form
    21,286,040.70/31,925,950.65 = 6,138,392.70/x
  3. Step 3: Cross multiply
    21,286,040.70x = 31,925,950.65 × 6,138,392.70
  4. Step 4: Simplify right side
    21,286,040.70x = 195,974,022,410,520.25
  5. Step 5: Solve for x
    x = 195,974,022,410,520.25/21,286,040.70
  6. Step 6: Final answer
    x = 9,206,692.08

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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.