Home / 7,173,168.88-9,898,675.20-3,909,911.80

Finding the Fourth Proportional to 7,173,168.88, 9,898,675.20 and 3,909,911.80

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Solution

The fourth proportional to 7,173,168.88, 9,898,675.20 and 3,909,911.80 is: 5,395,515.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,173,168.88 : 9,898,675.20 = 3,909,911.80 : x
  2. Step 2: Convert to fraction form
    7,173,168.88/9,898,675.20 = 3,909,911.80/x
  3. Step 3: Cross multiply
    7,173,168.88x = 9,898,675.20 × 3,909,911.80
  4. Step 4: Simplify right side
    7,173,168.88x = 38,702,946,968,847.35
  5. Step 5: Solve for x
    x = 38,702,946,968,847.35/7,173,168.88
  6. Step 6: Final answer
    x = 5,395,515.93

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.