Home / 12,555,804.03-18,833,769.53-3,919,180.50

Finding the Fourth Proportional to 12,555,804.03, 18,833,769.53 and 3,919,180.50

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Solution

The fourth proportional to 12,555,804.03, 18,833,769.53 and 3,919,180.50 is: 5,878,790.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,555,804.03 : 18,833,769.53 = 3,919,180.50 : x
  2. Step 2: Convert to fraction form
    12,555,804.03/18,833,769.53 = 3,919,180.50/x
  3. Step 3: Cross multiply
    12,555,804.03x = 18,833,769.53 × 3,919,180.50
  4. Step 4: Simplify right side
    12,555,804.03x = 73,812,942,300,616.58
  5. Step 5: Solve for x
    x = 73,812,942,300,616.58/12,555,804.03
  6. Step 6: Final answer
    x = 5,878,790.57

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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.