Home / 13,800,376.08-20,674,033.02-7,716,656.03

Finding the Fourth Proportional to 13,800,376.08, 20,674,033.02 and 7,716,656.03

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Solution

The fourth proportional to 13,800,376.08, 20,674,033.02 and 7,716,656.03 is: 11,560,148.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,800,376.08 : 20,674,033.02 = 7,716,656.03 : x
  2. Step 2: Convert to fraction form
    13,800,376.08/20,674,033.02 = 7,716,656.03/x
  3. Step 3: Cross multiply
    13,800,376.08x = 20,674,033.02 × 7,716,656.03
  4. Step 4: Simplify right side
    13,800,376.08x = 159,534,401,464,831.94
  5. Step 5: Solve for x
    x = 159,534,401,464,831.94/13,800,376.08
  6. Step 6: Final answer
    x = 11,560,148.84

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.