Home / 13,052,851-18,011,880-7,546,580.79

Finding the Fourth Proportional to 13,052,851, 18,011,880 and 7,546,580.79

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Solution

The fourth proportional to 13,052,851, 18,011,880 and 7,546,580.79 is: 10,413,671.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,052,851 : 18,011,880 = 7,546,580.79 : x
  2. Step 2: Convert to fraction form
    13,052,851/18,011,880 = 7,546,580.79/x
  3. Step 3: Cross multiply
    13,052,851x = 18,011,880 × 7,546,580.79
  4. Step 4: Simplify right side
    13,052,851x = 135,928,107,599,785.20
  5. Step 5: Solve for x
    x = 135,928,107,599,785.20/13,052,851
  6. Step 6: Final answer
    x = 10,413,671.89

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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.