Home / 9,515,561.61-13,131,123.66-5,164,554.48

Finding the Fourth Proportional to 9,515,561.61, 13,131,123.66 and 5,164,554.48

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Solution

The fourth proportional to 9,515,561.61, 13,131,123.66 and 5,164,554.48 is: 7,126,894.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,515,561.61 : 13,131,123.66 = 5,164,554.48 : x
  2. Step 2: Convert to fraction form
    9,515,561.61/13,131,123.66 = 5,164,554.48/x
  3. Step 3: Cross multiply
    9,515,561.61x = 13,131,123.66 × 5,164,554.48
  4. Step 4: Simplify right side
    9,515,561.61x = 67,816,403,525,687
  5. Step 5: Solve for x
    x = 67,816,403,525,687/9,515,561.61
  6. Step 6: Final answer
    x = 7,126,894.48

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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.