Home / 12,620,438.12-18,923,090.16-6,130,733.90

Finding the Fourth Proportional to 12,620,438.12, 18,923,090.16 and 6,130,733.90

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Solution

The fourth proportional to 12,620,438.12, 18,923,090.16 and 6,130,733.90 is: 9,192,424.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,620,438.12 : 18,923,090.16 = 6,130,733.90 : x
  2. Step 2: Convert to fraction form
    12,620,438.12/18,923,090.16 = 6,130,733.90/x
  3. Step 3: Cross multiply
    12,620,438.12x = 18,923,090.16 × 6,130,733.90
  4. Step 4: Simplify right side
    12,620,438.12x = 116,012,430,336,668.44
  5. Step 5: Solve for x
    x = 116,012,430,336,668.44/12,620,438.12
  6. Step 6: Final answer
    x = 9,192,424.96

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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.