Home / 13,421,983.96-18,523,131.73-10,108,433.94

Finding the Fourth Proportional to 13,421,983.96, 18,523,131.73 and 10,108,433.94

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Solution

The fourth proportional to 13,421,983.96, 18,523,131.73 and 10,108,433.94 is: 13,950,236.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,421,983.96 : 18,523,131.73 = 10,108,433.94 : x
  2. Step 2: Convert to fraction form
    13,421,983.96/18,523,131.73 = 10,108,433.94/x
  3. Step 3: Cross multiply
    13,421,983.96x = 18,523,131.73 × 10,108,433.94
  4. Step 4: Simplify right side
    13,421,983.96x = 187,239,853,475,932.31
  5. Step 5: Solve for x
    x = 187,239,853,475,932.31/13,421,983.96
  6. Step 6: Final answer
    x = 13,950,236.72

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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.