Home / 7,177,320.80-10,768,054.80-2,128,752.80

Finding the Fourth Proportional to 7,177,320.80, 10,768,054.80 and 2,128,752.80

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Solution

The fourth proportional to 7,177,320.80, 10,768,054.80 and 2,128,752.80 is: 3,193,744.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,177,320.80 : 10,768,054.80 = 2,128,752.80 : x
  2. Step 2: Convert to fraction form
    7,177,320.80/10,768,054.80 = 2,128,752.80/x
  3. Step 3: Cross multiply
    7,177,320.80x = 10,768,054.80 × 2,128,752.80
  4. Step 4: Simplify right side
    7,177,320.80x = 22,922,526,806,053.44
  5. Step 5: Solve for x
    x = 22,922,526,806,053.44/7,177,320.80
  6. Step 6: Final answer
    x = 3,193,744.22

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.