Home / 18,945,492.64-26,138,811.60-11,595,663.52

Finding the Fourth Proportional to 18,945,492.64, 26,138,811.60 and 11,595,663.52

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Solution

The fourth proportional to 18,945,492.64, 26,138,811.60 and 11,595,663.52 is: 15,998,362.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,945,492.64 : 26,138,811.60 = 11,595,663.52 : x
  2. Step 2: Convert to fraction form
    18,945,492.64/26,138,811.60 = 11,595,663.52/x
  3. Step 3: Cross multiply
    18,945,492.64x = 26,138,811.60 × 11,595,663.52
  4. Step 4: Simplify right side
    18,945,492.64x = 303,096,864,126,272.81
  5. Step 5: Solve for x
    x = 303,096,864,126,272.81/18,945,492.64
  6. Step 6: Final answer
    x = 15,998,362.77

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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.