Home / 13,147,074.30-19,720,611.45-10,907,586.30

Finding the Fourth Proportional to 13,147,074.30, 19,720,611.45 and 10,907,586.30

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Solution

The fourth proportional to 13,147,074.30, 19,720,611.45 and 10,907,586.30 is: 16,361,379.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,147,074.30 : 19,720,611.45 = 10,907,586.30 : x
  2. Step 2: Convert to fraction form
    13,147,074.30/19,720,611.45 = 10,907,586.30/x
  3. Step 3: Cross multiply
    13,147,074.30x = 19,720,611.45 × 10,907,586.30
  4. Step 4: Simplify right side
    13,147,074.30x = 215,104,271,279,643.16
  5. Step 5: Solve for x
    x = 215,104,271,279,643.16/13,147,074.30
  6. Step 6: Final answer
    x = 16,361,379.45

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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.