Home / 28,203,986.67-42,309,744.37-11,160,673.80

Finding the Fourth Proportional to 28,203,986.67, 42,309,744.37 and 11,160,673.80

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Solution

The fourth proportional to 28,203,986.67, 42,309,744.37 and 11,160,673.80 is: 16,742,500.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,203,986.67 : 42,309,744.37 = 11,160,673.80 : x
  2. Step 2: Convert to fraction form
    28,203,986.67/42,309,744.37 = 11,160,673.80/x
  3. Step 3: Cross multiply
    28,203,986.67x = 42,309,744.37 × 11,160,673.80
  4. Step 4: Simplify right side
    28,203,986.67x = 472,205,255,351,172.12
  5. Step 5: Solve for x
    x = 472,205,255,351,172.12/28,203,986.67
  6. Step 6: Final answer
    x = 16,742,500.30

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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.