Home / 13,355,960.10-20,033,940.15-11,921,069.40

Finding the Fourth Proportional to 13,355,960.10, 20,033,940.15 and 11,921,069.40

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Solution

The fourth proportional to 13,355,960.10, 20,033,940.15 and 11,921,069.40 is: 17,881,604.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,355,960.10 : 20,033,940.15 = 11,921,069.40 : x
  2. Step 2: Convert to fraction form
    13,355,960.10/20,033,940.15 = 11,921,069.40/x
  3. Step 3: Cross multiply
    13,355,960.10x = 20,033,940.15 × 11,921,069.40
  4. Step 4: Simplify right side
    13,355,960.10x = 238,825,990,883,596.41
  5. Step 5: Solve for x
    x = 238,825,990,883,596.41/13,355,960.10
  6. Step 6: Final answer
    x = 17,881,604.10

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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.