Home / 8,481,933.80-11,709,134.14-5,221,543.28

Finding the Fourth Proportional to 8,481,933.80, 11,709,134.14 and 5,221,543.28

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Solution

The fourth proportional to 8,481,933.80, 11,709,134.14 and 5,221,543.28 is: 7,208,232.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,481,933.80 : 11,709,134.14 = 5,221,543.28 : x
  2. Step 2: Convert to fraction form
    8,481,933.80/11,709,134.14 = 5,221,543.28/x
  3. Step 3: Cross multiply
    8,481,933.80x = 11,709,134.14 × 5,221,543.28
  4. Step 4: Simplify right side
    8,481,933.80x = 61,139,750,683,335.59
  5. Step 5: Solve for x
    x = 61,139,750,683,335.59/8,481,933.80
  6. Step 6: Final answer
    x = 7,208,232.48

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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.