Home / 13,369,527.48-18,450,390.12-7,568,189.22

Finding the Fourth Proportional to 13,369,527.48, 18,450,390.12 and 7,568,189.22

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Solution

The fourth proportional to 13,369,527.48, 18,450,390.12 and 7,568,189.22 is: 10,444,351.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,369,527.48 : 18,450,390.12 = 7,568,189.22 : x
  2. Step 2: Convert to fraction form
    13,369,527.48/18,450,390.12 = 7,568,189.22/x
  3. Step 3: Cross multiply
    13,369,527.48x = 18,450,390.12 × 7,568,189.22
  4. Step 4: Simplify right side
    13,369,527.48x = 139,636,043,610,978.52
  5. Step 5: Solve for x
    x = 139,636,043,610,978.52/13,369,527.48
  6. Step 6: Final answer
    x = 10,444,351.44

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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.