Home / 12,218,284.44-18,331,407.81-5,827,705.20

Finding the Fourth Proportional to 12,218,284.44, 18,331,407.81 and 5,827,705.20

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Solution

The fourth proportional to 12,218,284.44, 18,331,407.81 and 5,827,705.20 is: 8,743,456.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,218,284.44 : 18,331,407.81 = 5,827,705.20 : x
  2. Step 2: Convert to fraction form
    12,218,284.44/18,331,407.81 = 5,827,705.20/x
  3. Step 3: Cross multiply
    12,218,284.44x = 18,331,407.81 × 5,827,705.20
  4. Step 4: Simplify right side
    12,218,284.44x = 106,830,040,617,657.61
  5. Step 5: Solve for x
    x = 106,830,040,617,657.61/12,218,284.44
  6. Step 6: Final answer
    x = 8,743,456.67

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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.