Home / 9,657,869.40-14,481,555.30-3,978,667.80

Finding the Fourth Proportional to 9,657,869.40, 14,481,555.30 and 3,978,667.80

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Solution

The fourth proportional to 9,657,869.40, 14,481,555.30 and 3,978,667.80 is: 5,965,839.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,657,869.40 : 14,481,555.30 = 3,978,667.80 : x
  2. Step 2: Convert to fraction form
    9,657,869.40/14,481,555.30 = 3,978,667.80/x
  3. Step 3: Cross multiply
    9,657,869.40x = 14,481,555.30 × 3,978,667.80
  4. Step 4: Simplify right side
    9,657,869.40x = 57,617,297,766,029.34
  5. Step 5: Solve for x
    x = 57,617,297,766,029.34/9,657,869.40
  6. Step 6: Final answer
    x = 5,965,839.40

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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.