Home / 13,610,917.61-18,782,829.81-7,416,015.23

Finding the Fourth Proportional to 13,610,917.61, 18,782,829.81 and 7,416,015.23

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Solution

The fourth proportional to 13,610,917.61, 18,782,829.81 and 7,416,015.23 is: 10,233,972.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,610,917.61 : 18,782,829.81 = 7,416,015.23 : x
  2. Step 2: Convert to fraction form
    13,610,917.61/18,782,829.81 = 7,416,015.23/x
  3. Step 3: Cross multiply
    13,610,917.61x = 18,782,829.81 × 7,416,015.23
  4. Step 4: Simplify right side
    13,610,917.61x = 139,293,751,945,725.69
  5. Step 5: Solve for x
    x = 139,293,751,945,725.69/13,610,917.61
  6. Step 6: Final answer
    x = 10,233,972.16

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1.5x scale

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.