Home / 13,412,441.81-18,509,616.78-7,533,112.07

Finding the Fourth Proportional to 13,412,441.81, 18,509,616.78 and 7,533,112.07

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Solution

The fourth proportional to 13,412,441.81, 18,509,616.78 and 7,533,112.07 is: 10,395,945.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,412,441.81 : 18,509,616.78 = 7,533,112.07 : x
  2. Step 2: Convert to fraction form
    13,412,441.81/18,509,616.78 = 7,533,112.07/x
  3. Step 3: Cross multiply
    13,412,441.81x = 18,509,616.78 × 7,533,112.07
  4. Step 4: Simplify right side
    13,412,441.81x = 139,435,017,576,492.55
  5. Step 5: Solve for x
    x = 139,435,017,576,492.55/13,412,441.81
  6. Step 6: Final answer
    x = 10,395,945.76

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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.