Home / 12,141,408.40-18,243,605.40-10,755,725.20

Finding the Fourth Proportional to 12,141,408.40, 18,243,605.40 and 10,755,725.20

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Solution

The fourth proportional to 12,141,408.40, 18,243,605.40 and 10,755,725.20 is: 16,161,486.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,141,408.40 : 18,243,605.40 = 10,755,725.20 : x
  2. Step 2: Convert to fraction form
    12,141,408.40/18,243,605.40 = 10,755,725.20/x
  3. Step 3: Cross multiply
    12,141,408.40x = 18,243,605.40 × 10,755,725.20
  4. Step 4: Simplify right side
    12,141,408.40x = 196,223,206,339,636.06
  5. Step 5: Solve for x
    x = 196,223,206,339,636.06/12,141,408.40
  6. Step 6: Final answer
    x = 16,161,486.37

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.