Home / 19,585,720.40-29,364,583.80-8,794,187.60

Finding the Fourth Proportional to 19,585,720.40, 29,364,583.80 and 8,794,187.60

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Solution

The fourth proportional to 19,585,720.40, 29,364,583.80 and 8,794,187.60 is: 13,184,996.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,585,720.40 : 29,364,583.80 = 8,794,187.60 : x
  2. Step 2: Convert to fraction form
    19,585,720.40/29,364,583.80 = 8,794,187.60/x
  3. Step 3: Cross multiply
    19,585,720.40x = 29,364,583.80 × 8,794,187.60
  4. Step 4: Simplify right side
    19,585,720.40x = 258,237,658,733,120.88
  5. Step 5: Solve for x
    x = 258,237,658,733,120.88/19,585,720.40
  6. Step 6: Final answer
    x = 13,184,996.69

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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.