Home / 12,020,364.98-18,036,466.95-5,629,513.58

Finding the Fourth Proportional to 12,020,364.98, 18,036,466.95 and 5,629,513.58

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Solution

The fourth proportional to 12,020,364.98, 18,036,466.95 and 5,629,513.58 is: 8,447,042.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,020,364.98 : 18,036,466.95 = 5,629,513.58 : x
  2. Step 2: Convert to fraction form
    12,020,364.98/18,036,466.95 = 5,629,513.58/x
  3. Step 3: Cross multiply
    12,020,364.98x = 18,036,466.95 × 5,629,513.58
  4. Step 4: Simplify right side
    12,020,364.98x = 101,536,535,540,063.84
  5. Step 5: Solve for x
    x = 101,536,535,540,063.84/12,020,364.98
  6. Step 6: Final answer
    x = 8,447,042.64

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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.