Home / 12,008,406.96-18,017,227.44-7,219,401.84

Finding the Fourth Proportional to 12,008,406.96, 18,017,227.44 and 7,219,401.84

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Solution

The fourth proportional to 12,008,406.96, 18,017,227.44 and 7,219,401.84 is: 10,831,878.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,008,406.96 : 18,017,227.44 = 7,219,401.84 : x
  2. Step 2: Convert to fraction form
    12,008,406.96/18,017,227.44 = 7,219,401.84/x
  3. Step 3: Cross multiply
    12,008,406.96x = 18,017,227.44 × 7,219,401.84
  4. Step 4: Simplify right side
    12,008,406.96x = 130,073,604,932,034.50
  5. Step 5: Solve for x
    x = 130,073,604,932,034.50/12,008,406.96
  6. Step 6: Final answer
    x = 10,831,878.48

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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.