Home / 7,423,853.52-10,245,319.39-4,161,716.12

Finding the Fourth Proportional to 7,423,853.52, 10,245,319.39 and 4,161,716.12

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Solution

The fourth proportional to 7,423,853.52, 10,245,319.39 and 4,161,716.12 is: 5,743,393.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,423,853.52 : 10,245,319.39 = 4,161,716.12 : x
  2. Step 2: Convert to fraction form
    7,423,853.52/10,245,319.39 = 4,161,716.12/x
  3. Step 3: Cross multiply
    7,423,853.52x = 10,245,319.39 × 4,161,716.12
  4. Step 4: Simplify right side
    7,423,853.52x = 42,638,110,798,280.68
  5. Step 5: Solve for x
    x = 42,638,110,798,280.68/7,423,853.52
  6. Step 6: Final answer
    x = 5,743,393.33

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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.