Home / 12,301,794.90-18,452,692.35-11,405,999.70

Finding the Fourth Proportional to 12,301,794.90, 18,452,692.35 and 11,405,999.70

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Solution

The fourth proportional to 12,301,794.90, 18,452,692.35 and 11,405,999.70 is: 17,108,999.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,301,794.90 : 18,452,692.35 = 11,405,999.70 : x
  2. Step 2: Convert to fraction form
    12,301,794.90/18,452,692.35 = 11,405,999.70/x
  3. Step 3: Cross multiply
    12,301,794.90x = 18,452,692.35 × 11,405,999.70
  4. Step 4: Simplify right side
    12,301,794.90x = 210,471,403,408,292.31
  5. Step 5: Solve for x
    x = 210,471,403,408,292.31/12,301,794.90
  6. Step 6: Final answer
    x = 17,108,999.55

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1.5x scale

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.