Home / 12,500,428.10-18,844,335.35-11,667,145.19

Finding the Fourth Proportional to 12,500,428.10, 18,844,335.35 and 11,667,145.19

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Solution

The fourth proportional to 12,500,428.10, 18,844,335.35 and 11,667,145.19 is: 17,588,165.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,500,428.10 : 18,844,335.35 = 11,667,145.19 : x
  2. Step 2: Convert to fraction form
    12,500,428.10/18,844,335.35 = 11,667,145.19/x
  3. Step 3: Cross multiply
    12,500,428.10x = 18,844,335.35 × 11,667,145.19
  4. Step 4: Simplify right side
    12,500,428.10x = 219,859,596,384,942.06
  5. Step 5: Solve for x
    x = 219,859,596,384,942.06/12,500,428.10
  6. Step 6: Final answer
    x = 17,588,165.35

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.