Home / 13,649,917.56-18,837,014.88-7,769,264.64

Finding the Fourth Proportional to 13,649,917.56, 18,837,014.88 and 7,769,264.64

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Solution

The fourth proportional to 13,649,917.56, 18,837,014.88 and 7,769,264.64 is: 10,721,658.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,649,917.56 : 18,837,014.88 = 7,769,264.64 : x
  2. Step 2: Convert to fraction form
    13,649,917.56/18,837,014.88 = 7,769,264.64/x
  3. Step 3: Cross multiply
    13,649,917.56x = 18,837,014.88 × 7,769,264.64
  4. Step 4: Simplify right side
    13,649,917.56x = 146,349,753,630,337.84
  5. Step 5: Solve for x
    x = 146,349,753,630,337.84/13,649,917.56
  6. Step 6: Final answer
    x = 10,721,658.43

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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.