Home / 18,530,646.66-25,573,740.93-11,921,137.38

Finding the Fourth Proportional to 18,530,646.66, 25,573,740.93 and 11,921,137.38

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Solution

The fourth proportional to 18,530,646.66, 25,573,740.93 and 11,921,137.38 is: 16,452,101.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,530,646.66 : 25,573,740.93 = 11,921,137.38 : x
  2. Step 2: Convert to fraction form
    18,530,646.66/25,573,740.93 = 11,921,137.38/x
  3. Step 3: Cross multiply
    18,530,646.66x = 25,573,740.93 × 11,921,137.38
  4. Step 4: Simplify right side
    18,530,646.66x = 304,868,078,947,059
  5. Step 5: Solve for x
    x = 304,868,078,947,059/18,530,646.66
  6. Step 6: Final answer
    x = 16,452,101.46

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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.