Home / 31,919,009.80-44,048,515.14-18,168,859.24

Finding the Fourth Proportional to 31,919,009.80, 44,048,515.14 and 18,168,859.24

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Solution

The fourth proportional to 31,919,009.80, 44,048,515.14 and 18,168,859.24 is: 25,073,186.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,919,009.80 : 44,048,515.14 = 18,168,859.24 : x
  2. Step 2: Convert to fraction form
    31,919,009.80/44,048,515.14 = 18,168,859.24/x
  3. Step 3: Cross multiply
    31,919,009.80x = 44,048,515.14 × 18,168,859.24
  4. Step 4: Simplify right side
    31,919,009.80x = 800,311,271,309,668.88
  5. Step 5: Solve for x
    x = 800,311,271,309,668.88/31,919,009.80
  6. Step 6: Final answer
    x = 25,073,186.05

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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.