Home / 8,072,378.60-11,139,969.36-4,401,265.18

Finding the Fourth Proportional to 8,072,378.60, 11,139,969.36 and 4,401,265.18

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Solution

The fourth proportional to 8,072,378.60, 11,139,969.36 and 4,401,265.18 is: 6,073,793.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,072,378.60 : 11,139,969.36 = 4,401,265.18 : x
  2. Step 2: Convert to fraction form
    8,072,378.60/11,139,969.36 = 4,401,265.18/x
  3. Step 3: Cross multiply
    8,072,378.60x = 11,139,969.36 × 4,401,265.18
  4. Step 4: Simplify right side
    8,072,378.60x = 49,029,959,250,434.88
  5. Step 5: Solve for x
    x = 49,029,959,250,434.88/8,072,378.60
  6. Step 6: Final answer
    x = 6,073,793.32

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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.