Home / 20,185,453.10-30,278,608.54-7,232,447.46

Finding the Fourth Proportional to 20,185,453.10, 30,278,608.54 and 7,232,447.46

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Solution

The fourth proportional to 20,185,453.10, 30,278,608.54 and 7,232,447.46 is: 10,848,824.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,185,453.10 : 30,278,608.54 = 7,232,447.46 : x
  2. Step 2: Convert to fraction form
    20,185,453.10/30,278,608.54 = 7,232,447.46/x
  3. Step 3: Cross multiply
    20,185,453.10x = 30,278,608.54 × 7,232,447.46
  4. Step 4: Simplify right side
    20,185,453.10x = 218,988,445,427,457.31
  5. Step 5: Solve for x
    x = 218,988,445,427,457.31/20,185,453.10
  6. Step 6: Final answer
    x = 10,848,824.86

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.