Home / 12,504,051.80-18,756,077.70-3,985,011.80

Finding the Fourth Proportional to 12,504,051.80, 18,756,077.70 and 3,985,011.80

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Solution

The fourth proportional to 12,504,051.80, 18,756,077.70 and 3,985,011.80 is: 5,977,517.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,504,051.80 : 18,756,077.70 = 3,985,011.80 : x
  2. Step 2: Convert to fraction form
    12,504,051.80/18,756,077.70 = 3,985,011.80/x
  3. Step 3: Cross multiply
    12,504,051.80x = 18,756,077.70 × 3,985,011.80
  4. Step 4: Simplify right side
    12,504,051.80x = 74,743,190,956,216.86
  5. Step 5: Solve for x
    x = 74,743,190,956,216.86/12,504,051.80
  6. Step 6: Final answer
    x = 5,977,517.70

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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.