Home / 18,279,023.63-25,225,052.87-10,130,786.51

Finding the Fourth Proportional to 18,279,023.63, 25,225,052.87 and 10,130,786.51

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Solution

The fourth proportional to 18,279,023.63, 25,225,052.87 and 10,130,786.51 is: 13,980,485.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,279,023.63 : 25,225,052.87 = 10,130,786.51 : x
  2. Step 2: Convert to fraction form
    18,279,023.63/25,225,052.87 = 10,130,786.51/x
  3. Step 3: Cross multiply
    18,279,023.63x = 25,225,052.87 × 10,130,786.51
  4. Step 4: Simplify right side
    18,279,023.63x = 255,549,625,228,634.50
  5. Step 5: Solve for x
    x = 255,549,625,228,634.50/18,279,023.63
  6. Step 6: Final answer
    x = 13,980,485.53

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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.