Home / 12,585,427.79-18,880,982.01-3,832,489.42

Finding the Fourth Proportional to 12,585,427.79, 18,880,982.01 and 3,832,489.42

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Solution

The fourth proportional to 12,585,427.79, 18,880,982.01 and 3,832,489.42 is: 5,749,599.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,585,427.79 : 18,880,982.01 = 3,832,489.42 : x
  2. Step 2: Convert to fraction form
    12,585,427.79/18,880,982.01 = 3,832,489.42/x
  3. Step 3: Cross multiply
    12,585,427.79x = 18,880,982.01 × 3,832,489.42
  4. Step 4: Simplify right side
    12,585,427.79x = 72,361,163,745,332.89
  5. Step 5: Solve for x
    x = 72,361,163,745,332.89/12,585,427.79
  6. Step 6: Final answer
    x = 5,749,599.06

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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.