Home / 18,255,453.48-25,185,142.40-10,909,093.68

Finding the Fourth Proportional to 18,255,453.48, 25,185,142.40 and 10,909,093.68

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Solution

The fourth proportional to 18,255,453.48, 25,185,142.40 and 10,909,093.68 is: 15,050,137.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,255,453.48 : 25,185,142.40 = 10,909,093.68 : x
  2. Step 2: Convert to fraction form
    18,255,453.48/25,185,142.40 = 10,909,093.68/x
  3. Step 3: Cross multiply
    18,255,453.48x = 25,185,142.40 × 10,909,093.68
  4. Step 4: Simplify right side
    18,255,453.48x = 274,747,077,731,194.56
  5. Step 5: Solve for x
    x = 274,747,077,731,194.56/18,255,453.48
  6. Step 6: Final answer
    x = 15,050,137.10

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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.