Home / 13,237,089.37-18,265,193.09-7,434,759.49

Finding the Fourth Proportional to 13,237,089.37, 18,265,193.09 and 7,434,759.49

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Solution

The fourth proportional to 13,237,089.37, 18,265,193.09 and 7,434,759.49 is: 10,258,850.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,237,089.37 : 18,265,193.09 = 7,434,759.49 : x
  2. Step 2: Convert to fraction form
    13,237,089.37/18,265,193.09 = 7,434,759.49/x
  3. Step 3: Cross multiply
    13,237,089.37x = 18,265,193.09 × 7,434,759.49
  4. Step 4: Simplify right side
    13,237,089.37x = 135,797,317,625,386.14
  5. Step 5: Solve for x
    x = 135,797,317,625,386.14/13,237,089.37
  6. Step 6: Final answer
    x = 10,258,850.25

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1.5x scale

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.