Home / 13,502,324.48-18,633,235.20-7,391,143.04

Finding the Fourth Proportional to 13,502,324.48, 18,633,235.20 and 7,391,143.04

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Solution

The fourth proportional to 13,502,324.48, 18,633,235.20 and 7,391,143.04 is: 10,199,792.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,502,324.48 : 18,633,235.20 = 7,391,143.04 : x
  2. Step 2: Convert to fraction form
    13,502,324.48/18,633,235.20 = 7,391,143.04/x
  3. Step 3: Cross multiply
    13,502,324.48x = 18,633,235.20 × 7,391,143.04
  4. Step 4: Simplify right side
    13,502,324.48x = 137,720,906,661,163
  5. Step 5: Solve for x
    x = 137,720,906,661,163/13,502,324.48
  6. Step 6: Final answer
    x = 10,199,792.40

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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.