Home / 12,771,703.24-19,147,382.54-7,374,231.16

Finding the Fourth Proportional to 12,771,703.24, 19,147,382.54 and 7,374,231.16

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Solution

The fourth proportional to 12,771,703.24, 19,147,382.54 and 7,374,231.16 is: 11,055,473.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,771,703.24 : 19,147,382.54 = 7,374,231.16 : x
  2. Step 2: Convert to fraction form
    12,771,703.24/19,147,382.54 = 7,374,231.16/x
  3. Step 3: Cross multiply
    12,771,703.24x = 19,147,382.54 × 7,374,231.16
  4. Step 4: Simplify right side
    12,771,703.24x = 141,197,224,958,907.94
  5. Step 5: Solve for x
    x = 141,197,224,958,907.94/12,771,703.24
  6. Step 6: Final answer
    x = 11,055,473.36

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.