Home / 30,434,460.45-41,995,071.26-18,507,189.39

Finding the Fourth Proportional to 30,434,460.45, 41,995,071.26 and 18,507,189.39

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Solution

The fourth proportional to 30,434,460.45, 41,995,071.26 and 18,507,189.39 is: 25,537,194.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,434,460.45 : 41,995,071.26 = 18,507,189.39 : x
  2. Step 2: Convert to fraction form
    30,434,460.45/41,995,071.26 = 18,507,189.39/x
  3. Step 3: Cross multiply
    30,434,460.45x = 41,995,071.26 × 18,507,189.39
  4. Step 4: Simplify right side
    30,434,460.45x = 777,210,737,162,830
  5. Step 5: Solve for x
    x = 777,210,737,162,830/30,434,460.45
  6. Step 6: Final answer
    x = 25,537,194.54

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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.