Home / 13,347,500.37-18,419,695.59-7,841,107.32

Finding the Fourth Proportional to 13,347,500.37, 18,419,695.59 and 7,841,107.32

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Solution

The fourth proportional to 13,347,500.37, 18,419,695.59 and 7,841,107.32 is: 10,820,813.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,347,500.37 : 18,419,695.59 = 7,841,107.32 : x
  2. Step 2: Convert to fraction form
    13,347,500.37/18,419,695.59 = 7,841,107.32/x
  3. Step 3: Cross multiply
    13,347,500.37x = 18,419,695.59 × 7,841,107.32
  4. Step 4: Simplify right side
    13,347,500.37x = 144,430,809,922,920.72
  5. Step 5: Solve for x
    x = 144,430,809,922,920.72/13,347,500.37
  6. Step 6: Final answer
    x = 10,820,813.33

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.