Home / 12,308,797.39-18,446,692.33-9,579,640.29

Finding the Fourth Proportional to 12,308,797.39, 18,446,692.33 and 9,579,640.29

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Solution

The fourth proportional to 12,308,797.39, 18,446,692.33 and 9,579,640.29 is: 14,356,615.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,308,797.39 : 18,446,692.33 = 9,579,640.29 : x
  2. Step 2: Convert to fraction form
    12,308,797.39/18,446,692.33 = 9,579,640.29/x
  3. Step 3: Cross multiply
    12,308,797.39x = 18,446,692.33 × 9,579,640.29
  4. Step 4: Simplify right side
    12,308,797.39x = 176,712,677,073,676.53
  5. Step 5: Solve for x
    x = 176,712,677,073,676.53/12,308,797.39
  6. Step 6: Final answer
    x = 14,356,615.96

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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.