Home / 20,230,809.37-27,918,460.47-10,938,314.41

Finding the Fourth Proportional to 20,230,809.37, 27,918,460.47 and 10,938,314.41

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Solution

The fourth proportional to 20,230,809.37, 27,918,460.47 and 10,938,314.41 is: 15,094,843.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,230,809.37 : 27,918,460.47 = 10,938,314.41 : x
  2. Step 2: Convert to fraction form
    20,230,809.37/27,918,460.47 = 10,938,314.41/x
  3. Step 3: Cross multiply
    20,230,809.37x = 27,918,460.47 × 10,938,314.41
  4. Step 4: Simplify right side
    20,230,809.37x = 305,380,898,464,016.38
  5. Step 5: Solve for x
    x = 305,380,898,464,016.38/20,230,809.37
  6. Step 6: Final answer
    x = 15,094,843.36

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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.