Home / 7,080,220.80-9,768,185.28-4,178,159.28

Finding the Fourth Proportional to 7,080,220.80, 9,768,185.28 and 4,178,159.28

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Solution

The fourth proportional to 7,080,220.80, 9,768,185.28 and 4,178,159.28 is: 5,764,373.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,080,220.80 : 9,768,185.28 = 4,178,159.28 : x
  2. Step 2: Convert to fraction form
    7,080,220.80/9,768,185.28 = 4,178,159.28/x
  3. Step 3: Cross multiply
    7,080,220.80x = 9,768,185.28 × 4,178,159.28
  4. Step 4: Simplify right side
    7,080,220.80x = 40,813,033,976,391.39
  5. Step 5: Solve for x
    x = 40,813,033,976,391.39/7,080,220.80
  6. Step 6: Final answer
    x = 5,764,373.05

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1.5x scale

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.