Home / 18,897,719.40-26,078,845.86-10,313,015.40

Finding the Fourth Proportional to 18,897,719.40, 26,078,845.86 and 10,313,015.40

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Solution

The fourth proportional to 18,897,719.40, 26,078,845.86 and 10,313,015.40 is: 14,231,957.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,897,719.40 : 26,078,845.86 = 10,313,015.40 : x
  2. Step 2: Convert to fraction form
    18,897,719.40/26,078,845.86 = 10,313,015.40/x
  3. Step 3: Cross multiply
    18,897,719.40x = 26,078,845.86 × 10,313,015.40
  4. Step 4: Simplify right side
    18,897,719.40x = 268,951,538,968,406.25
  5. Step 5: Solve for x
    x = 268,951,538,968,406.25/18,897,719.40
  6. Step 6: Final answer
    x = 14,231,957.48

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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.