Home / 13,200,484-19,800,741.66-3,615,945.16

Finding the Fourth Proportional to 13,200,484, 19,800,741.66 and 3,615,945.16

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Solution

The fourth proportional to 13,200,484, 19,800,741.66 and 3,615,945.16 is: 5,423,922.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,200,484 : 19,800,741.66 = 3,615,945.16 : x
  2. Step 2: Convert to fraction form
    13,200,484/19,800,741.66 = 3,615,945.16/x
  3. Step 3: Cross multiply
    13,200,484x = 19,800,741.66 × 3,615,945.16
  4. Step 4: Simplify right side
    13,200,484x = 71,598,395,969,887.38
  5. Step 5: Solve for x
    x = 71,598,395,969,887.38/13,200,484
  6. Step 6: Final answer
    x = 5,423,922.03

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.