Home / 12,048,570.40-18,086,852.40-7,261,664.80

Finding the Fourth Proportional to 12,048,570.40, 18,086,852.40 and 7,261,664.80

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Solution

The fourth proportional to 12,048,570.40, 18,086,852.40 and 7,261,664.80 is: 10,900,933.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,048,570.40 : 18,086,852.40 = 7,261,664.80 : x
  2. Step 2: Convert to fraction form
    12,048,570.40/18,086,852.40 = 7,261,664.80/x
  3. Step 3: Cross multiply
    12,048,570.40x = 18,086,852.40 × 7,261,664.80
  4. Step 4: Simplify right side
    12,048,570.40x = 131,340,659,415,875.50
  5. Step 5: Solve for x
    x = 131,340,659,415,875.50/12,048,570.40
  6. Step 6: Final answer
    x = 10,900,933.06

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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.