Home / 18,388,054.33-25,375,513.78-10,657,580.70

Finding the Fourth Proportional to 18,388,054.33, 25,375,513.78 and 10,657,580.70

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Solution

The fourth proportional to 18,388,054.33, 25,375,513.78 and 10,657,580.70 is: 14,707,460.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,388,054.33 : 25,375,513.78 = 10,657,580.70 : x
  2. Step 2: Convert to fraction form
    18,388,054.33/25,375,513.78 = 10,657,580.70/x
  3. Step 3: Cross multiply
    18,388,054.33x = 25,375,513.78 × 10,657,580.70
  4. Step 4: Simplify right side
    18,388,054.33x = 270,441,585,914,312.03
  5. Step 5: Solve for x
    x = 270,441,585,914,312.03/18,388,054.33
  6. Step 6: Final answer
    x = 14,707,460.67

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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.