Home / 6,417,120.70-8,855,626.65-3,516,625.72

Finding the Fourth Proportional to 6,417,120.70, 8,855,626.65 and 3,516,625.72

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Solution

The fourth proportional to 6,417,120.70, 8,855,626.65 and 3,516,625.72 is: 4,852,943.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,417,120.70 : 8,855,626.65 = 3,516,625.72 : x
  2. Step 2: Convert to fraction form
    6,417,120.70/8,855,626.65 = 3,516,625.72/x
  3. Step 3: Cross multiply
    6,417,120.70x = 8,855,626.65 × 3,516,625.72
  4. Step 4: Simplify right side
    6,417,120.70x = 31,141,924,399,829.30
  5. Step 5: Solve for x
    x = 31,141,924,399,829.30/6,417,120.70
  6. Step 6: Final answer
    x = 4,852,943.54

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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.