Home / 13,943,900.89-19,243,050.52-7,749,208.69

Finding the Fourth Proportional to 13,943,900.89, 19,243,050.52 and 7,749,208.69

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Solution

The fourth proportional to 13,943,900.89, 19,243,050.52 and 7,749,208.69 is: 10,694,167.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,943,900.89 : 19,243,050.52 = 7,749,208.69 : x
  2. Step 2: Convert to fraction form
    13,943,900.89/19,243,050.52 = 7,749,208.69/x
  3. Step 3: Cross multiply
    13,943,900.89x = 19,243,050.52 × 7,749,208.69
  4. Step 4: Simplify right side
    13,943,900.89x = 149,118,414,311,693.03
  5. Step 5: Solve for x
    x = 149,118,414,311,693.03/13,943,900.89
  6. Step 6: Final answer
    x = 10,694,167.69

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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.