Home / 7,900,187.52-10,902,248.64-4,278,529.92

Finding the Fourth Proportional to 7,900,187.52, 10,902,248.64 and 4,278,529.92

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Solution

The fourth proportional to 7,900,187.52, 10,902,248.64 and 4,278,529.92 is: 5,904,365.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,900,187.52 : 10,902,248.64 = 4,278,529.92 : x
  2. Step 2: Convert to fraction form
    7,900,187.52/10,902,248.64 = 4,278,529.92/x
  3. Step 3: Cross multiply
    7,900,187.52x = 10,902,248.64 × 4,278,529.92
  4. Step 4: Simplify right side
    7,900,187.52x = 46,645,597,001,519.31
  5. Step 5: Solve for x
    x = 46,645,597,001,519.31/7,900,187.52
  6. Step 6: Final answer
    x = 5,904,365.80

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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.