Home / 18,157,110.24-25,056,058.44-9,896,990.88

Finding the Fourth Proportional to 18,157,110.24, 25,056,058.44 and 9,896,990.88

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Solution

The fourth proportional to 18,157,110.24, 25,056,058.44 and 9,896,990.88 is: 13,657,436.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,157,110.24 : 25,056,058.44 = 9,896,990.88 : x
  2. Step 2: Convert to fraction form
    18,157,110.24/25,056,058.44 = 9,896,990.88/x
  3. Step 3: Cross multiply
    18,157,110.24x = 25,056,058.44 × 9,896,990.88
  4. Step 4: Simplify right side
    18,157,110.24x = 247,979,581,869,427.06
  5. Step 5: Solve for x
    x = 247,979,581,869,427.06/18,157,110.24
  6. Step 6: Final answer
    x = 13,657,436.60

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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.