Home / 18,415,388.06-25,412,679.86-10,155,446.54

Finding the Fourth Proportional to 18,415,388.06, 25,412,679.86 and 10,155,446.54

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Solution

The fourth proportional to 18,415,388.06, 25,412,679.86 and 10,155,446.54 is: 14,014,209.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,415,388.06 : 25,412,679.86 = 10,155,446.54 : x
  2. Step 2: Convert to fraction form
    18,415,388.06/25,412,679.86 = 10,155,446.54/x
  3. Step 3: Cross multiply
    18,415,388.06x = 25,412,679.86 × 10,155,446.54
  4. Step 4: Simplify right side
    18,415,388.06x = 258,077,111,756,364.66
  5. Step 5: Solve for x
    x = 258,077,111,756,364.66/18,415,388.06
  6. Step 6: Final answer
    x = 14,014,209.80

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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.