Home / 18,708,096.64-25,816,456.56-11,742,501.28

Finding the Fourth Proportional to 18,708,096.64, 25,816,456.56 and 11,742,501.28

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Solution

The fourth proportional to 18,708,096.64, 25,816,456.56 and 11,742,501.28 is: 16,204,201.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,708,096.64 : 25,816,456.56 = 11,742,501.28 : x
  2. Step 2: Convert to fraction form
    18,708,096.64/25,816,456.56 = 11,742,501.28/x
  3. Step 3: Cross multiply
    18,708,096.64x = 25,816,456.56 × 11,742,501.28
  4. Step 4: Simplify right side
    18,708,096.64x = 303,149,774,200,864.38
  5. Step 5: Solve for x
    x = 303,149,774,200,864.38/18,708,096.64
  6. Step 6: Final answer
    x = 16,204,201.85

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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.