Home / 13,649,911.56-18,837,006.57-7,769,258.64

Finding the Fourth Proportional to 13,649,911.56, 18,837,006.57 and 7,769,258.64

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Solution

The fourth proportional to 13,649,911.56, 18,837,006.57 and 7,769,258.64 is: 10,721,650.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,649,911.56 : 18,837,006.57 = 7,769,258.64 : x
  2. Step 2: Convert to fraction form
    13,649,911.56/18,837,006.57 = 7,769,258.64/x
  3. Step 3: Cross multiply
    13,649,911.56x = 18,837,006.57 × 7,769,258.64
  4. Step 4: Simplify right side
    13,649,911.56x = 146,349,576,045,709.25
  5. Step 5: Solve for x
    x = 146,349,576,045,709.25/13,649,911.56
  6. Step 6: Final answer
    x = 10,721,650.13

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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.