Home / 13,856,310.48-19,120,933.20-7,660,996.32

Finding the Fourth Proportional to 13,856,310.48, 19,120,933.20 and 7,660,996.32

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Solution

The fourth proportional to 13,856,310.48, 19,120,933.20 and 7,660,996.32 is: 10,571,746.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,856,310.48 : 19,120,933.20 = 7,660,996.32 : x
  2. Step 2: Convert to fraction form
    13,856,310.48/19,120,933.20 = 7,660,996.32/x
  3. Step 3: Cross multiply
    13,856,310.48x = 19,120,933.20 × 7,660,996.32
  4. Step 4: Simplify right side
    13,856,310.48x = 146,485,398,880,165.81
  5. Step 5: Solve for x
    x = 146,485,398,880,165.81/13,856,310.48
  6. Step 6: Final answer
    x = 10,571,746.29

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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.