Home / 8,072,379.60-11,139,970.74-4,401,266.18

Finding the Fourth Proportional to 8,072,379.60, 11,139,970.74 and 4,401,266.18

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Solution

The fourth proportional to 8,072,379.60, 11,139,970.74 and 4,401,266.18 is: 6,073,794.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,072,379.60 : 11,139,970.74 = 4,401,266.18 : x
  2. Step 2: Convert to fraction form
    8,072,379.60/11,139,970.74 = 4,401,266.18/x
  3. Step 3: Cross multiply
    8,072,379.60x = 11,139,970.74 × 4,401,266.18
  4. Step 4: Simplify right side
    8,072,379.60x = 49,029,976,464,151.57
  5. Step 5: Solve for x
    x = 49,029,976,464,151.57/8,072,379.60
  6. Step 6: Final answer
    x = 6,073,794.70

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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.