Home / 45,333,462.70-67,980,131.97-12,977,993.26

Finding the Fourth Proportional to 45,333,462.70, 67,980,131.97 and 12,977,993.26

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Solution

The fourth proportional to 45,333,462.70, 67,980,131.97 and 12,977,993.26 is: 19,461,246.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,333,462.70 : 67,980,131.97 = 12,977,993.26 : x
  2. Step 2: Convert to fraction form
    45,333,462.70/67,980,131.97 = 12,977,993.26/x
  3. Step 3: Cross multiply
    45,333,462.70x = 67,980,131.97 × 12,977,993.26
  4. Step 4: Simplify right side
    45,333,462.70x = 882,245,694,520,570.50
  5. Step 5: Solve for x
    x = 882,245,694,520,570.50/45,333,462.70
  6. Step 6: Final answer
    x = 19,461,246.55

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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.