Home / 7,448,296.32-10,278,645.12-4,185,123.84

Finding the Fourth Proportional to 7,448,296.32, 10,278,645.12 and 4,185,123.84

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Solution

The fourth proportional to 7,448,296.32, 10,278,645.12 and 4,185,123.84 is: 5,775,468.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,448,296.32 : 10,278,645.12 = 4,185,123.84 : x
  2. Step 2: Convert to fraction form
    7,448,296.32/10,278,645.12 = 4,185,123.84/x
  3. Step 3: Cross multiply
    7,448,296.32x = 10,278,645.12 × 4,185,123.84
  4. Step 4: Simplify right side
    7,448,296.32x = 43,017,402,734,611.66
  5. Step 5: Solve for x
    x = 43,017,402,734,611.66/7,448,296.32
  6. Step 6: Final answer
    x = 5,775,468.76

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Double scale
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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.