Home / 20,105,296.56-27,745,429.86-10,938,004.92

Finding the Fourth Proportional to 20,105,296.56, 27,745,429.86 and 10,938,004.92

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Solution

The fourth proportional to 20,105,296.56, 27,745,429.86 and 10,938,004.92 is: 15,094,512.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,105,296.56 : 27,745,429.86 = 10,938,004.92 : x
  2. Step 2: Convert to fraction form
    20,105,296.56/27,745,429.86 = 10,938,004.92/x
  3. Step 3: Cross multiply
    20,105,296.56x = 27,745,429.86 × 10,938,004.92
  4. Step 4: Simplify right side
    20,105,296.56x = 303,479,648,316,194.88
  5. Step 5: Solve for x
    x = 303,479,648,316,194.88/20,105,296.56
  6. Step 6: Final answer
    x = 15,094,512.40

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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.