Home / 8,680,738.02-13,021,107.37-2,922,989.69

Finding the Fourth Proportional to 8,680,738.02, 13,021,107.37 and 2,922,989.69

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Solution

The fourth proportional to 8,680,738.02, 13,021,107.37 and 2,922,989.69 is: 4,384,484.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,680,738.02 : 13,021,107.37 = 2,922,989.69 : x
  2. Step 2: Convert to fraction form
    8,680,738.02/13,021,107.37 = 2,922,989.69/x
  3. Step 3: Cross multiply
    8,680,738.02x = 13,021,107.37 × 2,922,989.69
  4. Step 4: Simplify right side
    8,680,738.02x = 38,060,562,539,795.92
  5. Step 5: Solve for x
    x = 38,060,562,539,795.92/8,680,738.02
  6. Step 6: Final answer
    x = 4,384,484.64

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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.