Home / 18,402,419.35-25,394,302.29-10,142,456.50

Finding the Fourth Proportional to 18,402,419.35, 25,394,302.29 and 10,142,456.50

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Solution

The fourth proportional to 18,402,419.35, 25,394,302.29 and 10,142,456.50 is: 13,996,018.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,402,419.35 : 25,394,302.29 = 10,142,456.50 : x
  2. Step 2: Convert to fraction form
    18,402,419.35/25,394,302.29 = 10,142,456.50/x
  3. Step 3: Cross multiply
    18,402,419.35x = 25,394,302.29 × 10,142,456.50
  4. Step 4: Simplify right side
    18,402,419.35x = 257,560,606,324,175.38
  5. Step 5: Solve for x
    x = 257,560,606,324,175.38/18,402,419.35
  6. Step 6: Final answer
    x = 13,996,018.75

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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.