Home / 9,936,986.54-13,712,136.53-5,749,947.69

Finding the Fourth Proportional to 9,936,986.54, 13,712,136.53 and 5,749,947.69

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Solution

The fourth proportional to 9,936,986.54, 13,712,136.53 and 5,749,947.69 is: 7,934,404.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,936,986.54 : 13,712,136.53 = 5,749,947.69 : x
  2. Step 2: Convert to fraction form
    9,936,986.54/13,712,136.53 = 5,749,947.69/x
  3. Step 3: Cross multiply
    9,936,986.54x = 13,712,136.53 × 5,749,947.69
  4. Step 4: Simplify right side
    9,936,986.54x = 78,844,067,736,888.39
  5. Step 5: Solve for x
    x = 78,844,067,736,888.39/9,936,986.54
  6. Step 6: Final answer
    x = 7,934,404.20

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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.