Home / 8,420,315.50-11,619,558.29-4,749,012.64

Finding the Fourth Proportional to 8,420,315.50, 11,619,558.29 and 4,749,012.64

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Solution

The fourth proportional to 8,420,315.50, 11,619,558.29 and 4,749,012.64 is: 6,553,368.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,420,315.50 : 11,619,558.29 = 4,749,012.64 : x
  2. Step 2: Convert to fraction form
    8,420,315.50/11,619,558.29 = 4,749,012.64/x
  3. Step 3: Cross multiply
    8,420,315.50x = 11,619,558.29 × 4,749,012.64
  4. Step 4: Simplify right side
    8,420,315.50x = 55,181,429,108,583.93
  5. Step 5: Solve for x
    x = 55,181,429,108,583.93/8,420,315.50
  6. Step 6: Final answer
    x = 6,553,368.36

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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.