Home / 18,638,116.44-25,720,355.30-10,265,325.32

Finding the Fourth Proportional to 18,638,116.44, 25,720,355.30 and 10,265,325.32

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Solution

The fourth proportional to 18,638,116.44, 25,720,355.30 and 10,265,325.32 is: 14,166,013.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,638,116.44 : 25,720,355.30 = 10,265,325.32 : x
  2. Step 2: Convert to fraction form
    18,638,116.44/25,720,355.30 = 10,265,325.32/x
  3. Step 3: Cross multiply
    18,638,116.44x = 25,720,355.30 × 10,265,325.32
  4. Step 4: Simplify right side
    18,638,116.44x = 264,027,814,500,486.22
  5. Step 5: Solve for x
    x = 264,027,814,500,486.22/18,638,116.44
  6. Step 6: Final answer
    x = 14,166,013.79

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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.