Home / 12,314,605.80-16,991,336.34-7,352,081.31

Finding the Fourth Proportional to 12,314,605.80, 16,991,336.34 and 7,352,081.31

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Solution

The fourth proportional to 12,314,605.80, 16,991,336.34 and 7,352,081.31 is: 10,144,188.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,314,605.80 : 16,991,336.34 = 7,352,081.31 : x
  2. Step 2: Convert to fraction form
    12,314,605.80/16,991,336.34 = 7,352,081.31/x
  3. Step 3: Cross multiply
    12,314,605.80x = 16,991,336.34 × 7,352,081.31
  4. Step 4: Simplify right side
    12,314,605.80x = 124,921,686,337,237.80
  5. Step 5: Solve for x
    x = 124,921,686,337,237.80/12,314,605.80
  6. Step 6: Final answer
    x = 10,144,188.81

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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.