Home / 13,236,990.92-18,265,058.26-7,434,661.48

Finding the Fourth Proportional to 13,236,990.92, 18,265,058.26 and 7,434,661.48

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Solution

The fourth proportional to 13,236,990.92, 18,265,058.26 and 7,434,661.48 is: 10,258,715.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,236,990.92 : 18,265,058.26 = 7,434,661.48 : x
  2. Step 2: Convert to fraction form
    13,236,990.92/18,265,058.26 = 7,434,661.48/x
  3. Step 3: Cross multiply
    13,236,990.92x = 18,265,058.26 × 7,434,661.48
  4. Step 4: Simplify right side
    13,236,990.92x = 135,794,525,075,577.84
  5. Step 5: Solve for x
    x = 135,794,525,075,577.84/13,236,990.92
  6. Step 6: Final answer
    x = 10,258,715.59

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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.