Home / 18,158,219.68-25,058,515.44-10,009,749.28

Finding the Fourth Proportional to 18,158,219.68, 25,058,515.44 and 10,009,749.28

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Solution

The fourth proportional to 18,158,219.68, 25,058,515.44 and 10,009,749.28 is: 13,813,548.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,158,219.68 : 25,058,515.44 = 10,009,749.28 : x
  2. Step 2: Convert to fraction form
    18,158,219.68/25,058,515.44 = 10,009,749.28/x
  3. Step 3: Cross multiply
    18,158,219.68x = 25,058,515.44 × 10,009,749.28
  4. Step 4: Simplify right side
    18,158,219.68x = 250,829,456,883,408.88
  5. Step 5: Solve for x
    x = 250,829,456,883,408.88/18,158,219.68
  6. Step 6: Final answer
    x = 13,813,548.98

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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.