Home / 13,114,586.80-19,671,880.20-9,288,211.60

Finding the Fourth Proportional to 13,114,586.80, 19,671,880.20 and 9,288,211.60

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Solution

The fourth proportional to 13,114,586.80, 19,671,880.20 and 9,288,211.60 is: 13,932,317.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,114,586.80 : 19,671,880.20 = 9,288,211.60 : x
  2. Step 2: Convert to fraction form
    13,114,586.80/19,671,880.20 = 9,288,211.60/x
  3. Step 3: Cross multiply
    13,114,586.80x = 19,671,880.20 × 9,288,211.60
  4. Step 4: Simplify right side
    13,114,586.80x = 182,716,585,867,450.31
  5. Step 5: Solve for x
    x = 182,716,585,867,450.31/13,114,586.80
  6. Step 6: Final answer
    x = 13,932,317.40

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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.