Home / 13,745,130.23-18,967,173.54-7,944,287.69

Finding the Fourth Proportional to 13,745,130.23, 18,967,173.54 and 7,944,287.69

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Solution

The fourth proportional to 13,745,130.23, 18,967,173.54 and 7,944,287.69 is: 10,962,477.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,745,130.23 : 18,967,173.54 = 7,944,287.69 : x
  2. Step 2: Convert to fraction form
    13,745,130.23/18,967,173.54 = 7,944,287.69/x
  3. Step 3: Cross multiply
    13,745,130.23x = 18,967,173.54 × 7,944,287.69
  4. Step 4: Simplify right side
    13,745,130.23x = 150,680,683,285,542.56
  5. Step 5: Solve for x
    x = 150,680,683,285,542.56/13,745,130.23
  6. Step 6: Final answer
    x = 10,962,477.67

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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.