Home / 12,791,941.75-19,189,202.96-4,155,682.87

Finding the Fourth Proportional to 12,791,941.75, 19,189,202.96 and 4,155,682.87

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Solution

The fourth proportional to 12,791,941.75, 19,189,202.96 and 4,155,682.87 is: 6,233,943.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,791,941.75 : 19,189,202.96 = 4,155,682.87 : x
  2. Step 2: Convert to fraction form
    12,791,941.75/19,189,202.96 = 4,155,682.87/x
  3. Step 3: Cross multiply
    12,791,941.75x = 19,189,202.96 × 4,155,682.87
  4. Step 4: Simplify right side
    12,791,941.75x = 79,744,242,029,825.30
  5. Step 5: Solve for x
    x = 79,744,242,029,825.30/12,791,941.75
  6. Step 6: Final answer
    x = 6,233,943.49

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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.