Home / 12,303,969.80-18,457,337.10-3,784,238.60

Finding the Fourth Proportional to 12,303,969.80, 18,457,337.10 and 3,784,238.60

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Solution

The fourth proportional to 12,303,969.80, 18,457,337.10 and 3,784,238.60 is: 5,676,783.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,303,969.80 : 18,457,337.10 = 3,784,238.60 : x
  2. Step 2: Convert to fraction form
    12,303,969.80/18,457,337.10 = 3,784,238.60/x
  3. Step 3: Cross multiply
    12,303,969.80x = 18,457,337.10 × 3,784,238.60
  4. Step 4: Simplify right side
    12,303,969.80x = 69,846,967,507,032.07
  5. Step 5: Solve for x
    x = 69,846,967,507,032.07/12,303,969.80
  6. Step 6: Final answer
    x = 5,676,783.07

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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.