Home / 13,784,668.36-19,022,526.98-8,630,871.64

Finding the Fourth Proportional to 13,784,668.36, 19,022,526.98 and 8,630,871.64

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Solution

The fourth proportional to 13,784,668.36, 19,022,526.98 and 8,630,871.64 is: 11,910,405.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,784,668.36 : 19,022,526.98 = 8,630,871.64 : x
  2. Step 2: Convert to fraction form
    13,784,668.36/19,022,526.98 = 8,630,871.64/x
  3. Step 3: Cross multiply
    13,784,668.36x = 19,022,526.98 × 8,630,871.64
  4. Step 4: Simplify right side
    13,784,668.36x = 164,180,988,632,816.88
  5. Step 5: Solve for x
    x = 164,180,988,632,816.88/13,784,668.36
  6. Step 6: Final answer
    x = 11,910,405.41

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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.