Home / 13,943,898.07-19,243,046.59-7,749,205.83

Finding the Fourth Proportional to 13,943,898.07, 19,243,046.59 and 7,749,205.83

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Solution

The fourth proportional to 13,943,898.07, 19,243,046.59 and 7,749,205.83 is: 10,694,163.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,943,898.07 : 19,243,046.59 = 7,749,205.83 : x
  2. Step 2: Convert to fraction form
    13,943,898.07/19,243,046.59 = 7,749,205.83/x
  3. Step 3: Cross multiply
    13,943,898.07x = 19,243,046.59 × 7,749,205.83
  4. Step 4: Simplify right side
    13,943,898.07x = 149,118,328,802,816.59
  5. Step 5: Solve for x
    x = 149,118,328,802,816.59/13,943,898.07
  6. Step 6: Final answer
    x = 10,694,163.72

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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.