Home / 15,034,550.79-20,736,960.09-13,798,144.92

Finding the Fourth Proportional to 15,034,550.79, 20,736,960.09 and 13,798,144.92

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Solution

The fourth proportional to 15,034,550.79, 20,736,960.09 and 13,798,144.92 is: 19,031,601.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,034,550.79 : 20,736,960.09 = 13,798,144.92 : x
  2. Step 2: Convert to fraction form
    15,034,550.79/20,736,960.09 = 13,798,144.92/x
  3. Step 3: Cross multiply
    15,034,550.79x = 20,736,960.09 × 13,798,144.92
  4. Step 4: Simplify right side
    15,034,550.79x = 286,131,580,522,076.25
  5. Step 5: Solve for x
    x = 286,131,580,522,076.25/15,034,550.79
  6. Step 6: Final answer
    x = 19,031,601.58

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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.