Home / 7,112,103.75-9,808,041.21-4,720,944.48

Finding the Fourth Proportional to 7,112,103.75, 9,808,041.21 and 4,720,944.48

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Solution

The fourth proportional to 7,112,103.75, 9,808,041.21 and 4,720,944.48 is: 6,510,481.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,112,103.75 : 9,808,041.21 = 4,720,944.48 : x
  2. Step 2: Convert to fraction form
    7,112,103.75/9,808,041.21 = 4,720,944.48/x
  3. Step 3: Cross multiply
    7,112,103.75x = 9,808,041.21 × 4,720,944.48
  4. Step 4: Simplify right side
    7,112,103.75x = 46,303,218,032,998.43
  5. Step 5: Solve for x
    x = 46,303,218,032,998.43/7,112,103.75
  6. Step 6: Final answer
    x = 6,510,481.24

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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.