Home / 13,686,107.40-20,533,721.28-4,589,104.32

Finding the Fourth Proportional to 13,686,107.40, 20,533,721.28 and 4,589,104.32

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Solution

The fourth proportional to 13,686,107.40, 20,533,721.28 and 4,589,104.32 is: 6,885,185.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,686,107.40 : 20,533,721.28 = 4,589,104.32 : x
  2. Step 2: Convert to fraction form
    13,686,107.40/20,533,721.28 = 4,589,104.32/x
  3. Step 3: Cross multiply
    13,686,107.40x = 20,533,721.28 × 4,589,104.32
  4. Step 4: Simplify right side
    13,686,107.40x = 94,231,389,031,723.94
  5. Step 5: Solve for x
    x = 94,231,389,031,723.94/13,686,107.40
  6. Step 6: Final answer
    x = 6,885,185.56

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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.