Home / 13,267,216.80-19,900,825.20-4,291,768.80

Finding the Fourth Proportional to 13,267,216.80, 19,900,825.20 and 4,291,768.80

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Solution

The fourth proportional to 13,267,216.80, 19,900,825.20 and 4,291,768.80 is: 6,437,653.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,267,216.80 : 19,900,825.20 = 4,291,768.80 : x
  2. Step 2: Convert to fraction form
    13,267,216.80/19,900,825.20 = 4,291,768.80/x
  3. Step 3: Cross multiply
    13,267,216.80x = 19,900,825.20 × 4,291,768.80
  4. Step 4: Simplify right side
    13,267,216.80x = 85,409,740,687,613.75
  5. Step 5: Solve for x
    x = 85,409,740,687,613.75/13,267,216.80
  6. Step 6: Final answer
    x = 6,437,653.20

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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.