Home / 12,194,999.40-18,292,499.10-7,404,157.20

Finding the Fourth Proportional to 12,194,999.40, 18,292,499.10 and 7,404,157.20

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Solution

The fourth proportional to 12,194,999.40, 18,292,499.10 and 7,404,157.20 is: 11,106,235.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,194,999.40 : 18,292,499.10 = 7,404,157.20 : x
  2. Step 2: Convert to fraction form
    12,194,999.40/18,292,499.10 = 7,404,157.20/x
  3. Step 3: Cross multiply
    12,194,999.40x = 18,292,499.10 × 7,404,157.20
  4. Step 4: Simplify right side
    12,194,999.40x = 135,440,538,917,258.53
  5. Step 5: Solve for x
    x = 135,440,538,917,258.53/12,194,999.40
  6. Step 6: Final answer
    x = 11,106,235.80

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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.