Home / 18,654,499.92-25,742,530.26-10,394,135.40

Finding the Fourth Proportional to 18,654,499.92, 25,742,530.26 and 10,394,135.40

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Solution

The fourth proportional to 18,654,499.92, 25,742,530.26 and 10,394,135.40 is: 14,343,528.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,654,499.92 : 25,742,530.26 = 10,394,135.40 : x
  2. Step 2: Convert to fraction form
    18,654,499.92/25,742,530.26 = 10,394,135.40/x
  3. Step 3: Cross multiply
    18,654,499.92x = 25,742,530.26 × 10,394,135.40
  4. Step 4: Simplify right side
    18,654,499.92x = 267,571,345,061,037.22
  5. Step 5: Solve for x
    x = 267,571,345,061,037.22/18,654,499.92
  6. Step 6: Final answer
    x = 14,343,528.17

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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.