Home / 12,766,690.56-19,133,490.24-5,184,848.64

Finding the Fourth Proportional to 12,766,690.56, 19,133,490.24 and 5,184,848.64

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Solution

The fourth proportional to 12,766,690.56, 19,133,490.24 and 5,184,848.64 is: 7,770,553.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,766,690.56 : 19,133,490.24 = 5,184,848.64 : x
  2. Step 2: Convert to fraction form
    12,766,690.56/19,133,490.24 = 5,184,848.64/x
  3. Step 3: Cross multiply
    12,766,690.56x = 19,133,490.24 × 5,184,848.64
  4. Step 4: Simplify right side
    12,766,690.56x = 99,204,250,849,317.27
  5. Step 5: Solve for x
    x = 99,204,250,849,317.27/12,766,690.56
  6. Step 6: Final answer
    x = 7,770,553.41

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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.