Home / 13,701,976.88-18,908,727.48-7,507,258.34

Finding the Fourth Proportional to 13,701,976.88, 18,908,727.48 and 7,507,258.34

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Solution

The fourth proportional to 13,701,976.88, 18,908,727.48 and 7,507,258.34 is: 10,360,016.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,701,976.88 : 18,908,727.48 = 7,507,258.34 : x
  2. Step 2: Convert to fraction form
    13,701,976.88/18,908,727.48 = 7,507,258.34/x
  3. Step 3: Cross multiply
    13,701,976.88x = 18,908,727.48 × 7,507,258.34
  4. Step 4: Simplify right side
    13,701,976.88x = 141,952,701,978,473.56
  5. Step 5: Solve for x
    x = 141,952,701,978,473.56/13,701,976.88
  6. Step 6: Final answer
    x = 10,360,016.17

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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.