Home / 49,580,013.80-74,374,304.70-13,678,221.80

Finding the Fourth Proportional to 49,580,013.80, 74,374,304.70 and 13,678,221.80

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Solution

The fourth proportional to 49,580,013.80, 74,374,304.70 and 13,678,221.80 is: 20,518,514.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,580,013.80 : 74,374,304.70 = 13,678,221.80 : x
  2. Step 2: Convert to fraction form
    49,580,013.80/74,374,304.70 = 13,678,221.80/x
  3. Step 3: Cross multiply
    49,580,013.80x = 74,374,304.70 × 13,678,221.80
  4. Step 4: Simplify right side
    49,580,013.80x = 1,017,308,235,907,382.50
  5. Step 5: Solve for x
    x = 1,017,308,235,907,382.50/49,580,013.80
  6. Step 6: Final answer
    x = 20,518,514.58

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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.