Home / 13,943,899.76-19,243,048.91-7,749,207.54

Finding the Fourth Proportional to 13,943,899.76, 19,243,048.91 and 7,749,207.54

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Solution

The fourth proportional to 13,943,899.76, 19,243,048.91 and 7,749,207.54 is: 10,694,166.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,943,899.76 : 19,243,048.91 = 7,749,207.54 : x
  2. Step 2: Convert to fraction form
    13,943,899.76/19,243,048.91 = 7,749,207.54/x
  3. Step 3: Cross multiply
    13,943,899.76x = 19,243,048.91 × 7,749,207.54
  4. Step 4: Simplify right side
    13,943,899.76x = 149,118,379,667,214.75
  5. Step 5: Solve for x
    x = 149,118,379,667,214.75/13,943,899.76
  6. Step 6: Final answer
    x = 10,694,166.07

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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.