Home / 12,523,515.90-17,290,742.13-9,617,692.74

Finding the Fourth Proportional to 12,523,515.90, 17,290,742.13 and 9,617,692.74

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Solution

The fourth proportional to 12,523,515.90, 17,290,742.13 and 9,617,692.74 is: 13,278,782.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,523,515.90 : 17,290,742.13 = 9,617,692.74 : x
  2. Step 2: Convert to fraction form
    12,523,515.90/17,290,742.13 = 9,617,692.74/x
  3. Step 3: Cross multiply
    12,523,515.90x = 17,290,742.13 × 9,617,692.74
  4. Step 4: Simplify right side
    12,523,515.90x = 166,297,045,052,913.12
  5. Step 5: Solve for x
    x = 166,297,045,052,913.12/12,523,515.90
  6. Step 6: Final answer
    x = 13,278,782.60

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.