Home / 7,346,858.25-10,138,670.88-4,039,208.78

Finding the Fourth Proportional to 7,346,858.25, 10,138,670.88 and 4,039,208.78

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Solution

The fourth proportional to 7,346,858.25, 10,138,670.88 and 4,039,208.78 is: 5,574,111.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,346,858.25 : 10,138,670.88 = 4,039,208.78 : x
  2. Step 2: Convert to fraction form
    7,346,858.25/10,138,670.88 = 4,039,208.78/x
  3. Step 3: Cross multiply
    7,346,858.25x = 10,138,670.88 × 4,039,208.78
  4. Step 4: Simplify right side
    7,346,858.25x = 40,952,208,370,185.94
  5. Step 5: Solve for x
    x = 40,952,208,370,185.94/7,346,858.25
  6. Step 6: Final answer
    x = 5,574,111.68

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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.