Home / 12,942,698.40-19,414,047.60-12,774,736.80

Finding the Fourth Proportional to 12,942,698.40, 19,414,047.60 and 12,774,736.80

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Solution

The fourth proportional to 12,942,698.40, 19,414,047.60 and 12,774,736.80 is: 19,162,105.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,942,698.40 : 19,414,047.60 = 12,774,736.80 : x
  2. Step 2: Convert to fraction form
    12,942,698.40/19,414,047.60 = 12,774,736.80/x
  3. Step 3: Cross multiply
    12,942,698.40x = 19,414,047.60 × 12,774,736.80
  4. Step 4: Simplify right side
    12,942,698.40x = 248,009,348,312,671.72
  5. Step 5: Solve for x
    x = 248,009,348,312,671.72/12,942,698.40
  6. Step 6: Final answer
    x = 19,162,105.20

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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.