Home / 13,784,669.36-19,022,528.36-8,630,872.64

Finding the Fourth Proportional to 13,784,669.36, 19,022,528.36 and 8,630,872.64

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Solution

The fourth proportional to 13,784,669.36, 19,022,528.36 and 8,630,872.64 is: 11,910,406.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,784,669.36 : 19,022,528.36 = 8,630,872.64 : x
  2. Step 2: Convert to fraction form
    13,784,669.36/19,022,528.36 = 8,630,872.64/x
  3. Step 3: Cross multiply
    13,784,669.36x = 19,022,528.36 × 8,630,872.64
  4. Step 4: Simplify right side
    13,784,669.36x = 164,181,019,565,948.06
  5. Step 5: Solve for x
    x = 164,181,019,565,948.06/13,784,669.36
  6. Step 6: Final answer
    x = 11,910,406.79

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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.