Home / 28,996,433.37-43,465,920.32-13,616,190.90

Finding the Fourth Proportional to 28,996,433.37, 43,465,920.32 and 13,616,190.90

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Solution

The fourth proportional to 28,996,433.37, 43,465,920.32 and 13,616,190.90 is: 20,410,795.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,996,433.37 : 43,465,920.32 = 13,616,190.90 : x
  2. Step 2: Convert to fraction form
    28,996,433.37/43,465,920.32 = 13,616,190.90/x
  3. Step 3: Cross multiply
    28,996,433.37x = 43,465,920.32 × 13,616,190.90
  4. Step 4: Simplify right side
    28,996,433.37x = 591,840,268,721,309.12
  5. Step 5: Solve for x
    x = 591,840,268,721,309.12/28,996,433.37
  6. Step 6: Final answer
    x = 20,410,795.40

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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.