Home / 6,885,709.20-10,328,563.80-5,688,982.80

Finding the Fourth Proportional to 6,885,709.20, 10,328,563.80 and 5,688,982.80

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Solution

The fourth proportional to 6,885,709.20, 10,328,563.80 and 5,688,982.80 is: 8,533,474.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,885,709.20 : 10,328,563.80 = 5,688,982.80 : x
  2. Step 2: Convert to fraction form
    6,885,709.20/10,328,563.80 = 5,688,982.80/x
  3. Step 3: Cross multiply
    6,885,709.20x = 10,328,563.80 × 5,688,982.80
  4. Step 4: Simplify right side
    6,885,709.20x = 58,759,021,806,902.64
  5. Step 5: Solve for x
    x = 58,759,021,806,902.64/6,885,709.20
  6. Step 6: Final answer
    x = 8,533,474.20

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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.