Home / 13,698,458.91-20,550,633.12-3,983,240.72

Finding the Fourth Proportional to 13,698,458.91, 20,550,633.12 and 3,983,240.72

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Solution

The fourth proportional to 13,698,458.91, 20,550,633.12 and 3,983,240.72 is: 5,975,717.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,698,458.91 : 20,550,633.12 = 3,983,240.72 : x
  2. Step 2: Convert to fraction form
    13,698,458.91/20,550,633.12 = 3,983,240.72/x
  3. Step 3: Cross multiply
    13,698,458.91x = 20,550,633.12 × 3,983,240.72
  4. Step 4: Simplify right side
    13,698,458.91x = 81,858,118,542,695.27
  5. Step 5: Solve for x
    x = 81,858,118,542,695.27/13,698,458.91
  6. Step 6: Final answer
    x = 5,975,717.35

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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.