Home / 12,621,128.22-18,931,692.24-3,036,506.64

Finding the Fourth Proportional to 12,621,128.22, 18,931,692.24 and 3,036,506.64

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Solution

The fourth proportional to 12,621,128.22, 18,931,692.24 and 3,036,506.64 is: 4,554,759.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,621,128.22 : 18,931,692.24 = 3,036,506.64 : x
  2. Step 2: Convert to fraction form
    12,621,128.22/18,931,692.24 = 3,036,506.64/x
  3. Step 3: Cross multiply
    12,621,128.22x = 18,931,692.24 × 3,036,506.64
  4. Step 4: Simplify right side
    12,621,128.22x = 57,486,209,193,196.47
  5. Step 5: Solve for x
    x = 57,486,209,193,196.47/12,621,128.22
  6. Step 6: Final answer
    x = 4,554,759.94

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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.