Home / 12,303,755.40-18,458,858.70-4,730,968.20

Finding the Fourth Proportional to 12,303,755.40, 18,458,858.70 and 4,730,968.20

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Solution

The fourth proportional to 12,303,755.40, 18,458,858.70 and 4,730,968.20 is: 7,097,692.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,303,755.40 : 18,458,858.70 = 4,730,968.20 : x
  2. Step 2: Convert to fraction form
    12,303,755.40/18,458,858.70 = 4,730,968.20/x
  3. Step 3: Cross multiply
    12,303,755.40x = 18,458,858.70 × 4,730,968.20
  4. Step 4: Simplify right side
    12,303,755.40x = 87,328,273,517,993.34
  5. Step 5: Solve for x
    x = 87,328,273,517,993.34/12,303,755.40
  6. Step 6: Final answer
    x = 7,097,692.59

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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.