Home / 8,783,145.24-12,120,738.54-4,915,666.14

Finding the Fourth Proportional to 8,783,145.24, 12,120,738.54 and 4,915,666.14

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Solution

The fourth proportional to 8,783,145.24, 12,120,738.54 and 4,915,666.14 is: 6,783,618.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,783,145.24 : 12,120,738.54 = 4,915,666.14 : x
  2. Step 2: Convert to fraction form
    8,783,145.24/12,120,738.54 = 4,915,666.14/x
  3. Step 3: Cross multiply
    8,783,145.24x = 12,120,738.54 × 4,915,666.14
  4. Step 4: Simplify right side
    8,783,145.24x = 59,581,504,032,871.02
  5. Step 5: Solve for x
    x = 59,581,504,032,871.02/8,783,145.24
  6. Step 6: Final answer
    x = 6,783,618.21

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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.