Home / 28,954,209.12-43,431,285.74-7,388,810.84

Finding the Fourth Proportional to 28,954,209.12, 43,431,285.74 and 7,388,810.84

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Solution

The fourth proportional to 28,954,209.12, 43,431,285.74 and 7,388,810.84 is: 11,083,209.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,954,209.12 : 43,431,285.74 = 7,388,810.84 : x
  2. Step 2: Convert to fraction form
    28,954,209.12/43,431,285.74 = 7,388,810.84/x
  3. Step 3: Cross multiply
    28,954,209.12x = 43,431,285.74 × 7,388,810.84
  4. Step 4: Simplify right side
    28,954,209.12x = 320,905,554,616,748.94
  5. Step 5: Solve for x
    x = 320,905,554,616,748.94/28,954,209.12
  6. Step 6: Final answer
    x = 11,083,209.12

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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.