Home / 13,337,321.04-18,405,591.48-7,225,749.54

Finding the Fourth Proportional to 13,337,321.04, 18,405,591.48 and 7,225,749.54

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Solution

The fourth proportional to 13,337,321.04, 18,405,591.48 and 7,225,749.54 is: 9,971,582.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,337,321.04 : 18,405,591.48 = 7,225,749.54 : x
  2. Step 2: Convert to fraction form
    13,337,321.04/18,405,591.48 = 7,225,749.54/x
  3. Step 3: Cross multiply
    13,337,321.04x = 18,405,591.48 × 7,225,749.54
  4. Step 4: Simplify right side
    13,337,321.04x = 132,994,194,170,037.92
  5. Step 5: Solve for x
    x = 132,994,194,170,037.92/13,337,321.04
  6. Step 6: Final answer
    x = 9,971,582.28

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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.