Home / 7,647,923.80-11,471,885.70-3,383,565.40

Finding the Fourth Proportional to 7,647,923.80, 11,471,885.70 and 3,383,565.40

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Solution

The fourth proportional to 7,647,923.80, 11,471,885.70 and 3,383,565.40 is: 5,075,348.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,647,923.80 : 11,471,885.70 = 3,383,565.40 : x
  2. Step 2: Convert to fraction form
    7,647,923.80/11,471,885.70 = 3,383,565.40/x
  3. Step 3: Cross multiply
    7,647,923.80x = 11,471,885.70 × 3,383,565.40
  4. Step 4: Simplify right side
    7,647,923.80x = 38,815,875,527,274.77
  5. Step 5: Solve for x
    x = 38,815,875,527,274.77/7,647,923.80
  6. Step 6: Final answer
    x = 5,075,348.10

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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.