Home / 7,080,341.80-9,768,352.26-4,178,280.28

Finding the Fourth Proportional to 7,080,341.80, 9,768,352.26 and 4,178,280.28

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Solution

The fourth proportional to 7,080,341.80, 9,768,352.26 and 4,178,280.28 is: 5,764,540.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,080,341.80 : 9,768,352.26 = 4,178,280.28 : x
  2. Step 2: Convert to fraction form
    7,080,341.80/9,768,352.26 = 4,178,280.28/x
  3. Step 3: Cross multiply
    7,080,341.80x = 9,768,352.26 × 4,178,280.28
  4. Step 4: Simplify right side
    7,080,341.80x = 40,814,913,616,051.43
  5. Step 5: Solve for x
    x = 40,814,913,616,051.43/7,080,341.80
  6. Step 6: Final answer
    x = 5,764,540.01

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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.