Home / 19,479,826.40-29,219,739.60-8,842,258.40

Finding the Fourth Proportional to 19,479,826.40, 29,219,739.60 and 8,842,258.40

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Solution

The fourth proportional to 19,479,826.40, 29,219,739.60 and 8,842,258.40 is: 13,263,387.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,479,826.40 : 29,219,739.60 = 8,842,258.40 : x
  2. Step 2: Convert to fraction form
    19,479,826.40/29,219,739.60 = 8,842,258.40/x
  3. Step 3: Cross multiply
    19,479,826.40x = 29,219,739.60 × 8,842,258.40
  4. Step 4: Simplify right side
    19,479,826.40x = 258,368,487,923,912.66
  5. Step 5: Solve for x
    x = 258,368,487,923,912.66/19,479,826.40
  6. Step 6: Final answer
    x = 13,263,387.60

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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.