Home / 9,515,780.52-13,131,744.35-5,164,866.60

Finding the Fourth Proportional to 9,515,780.52, 13,131,744.35 and 5,164,866.60

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Solution

The fourth proportional to 9,515,780.52, 13,131,744.35 and 5,164,866.60 is: 7,127,498.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,515,780.52 : 13,131,744.35 = 5,164,866.60 : x
  2. Step 2: Convert to fraction form
    9,515,780.52/13,131,744.35 = 5,164,866.60/x
  3. Step 3: Cross multiply
    9,515,780.52x = 13,131,744.35 × 5,164,866.60
  4. Step 4: Simplify right side
    9,515,780.52x = 67,823,707,767,229.38
  5. Step 5: Solve for x
    x = 67,823,707,767,229.38/9,515,780.52
  6. Step 6: Final answer
    x = 7,127,498.12

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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.