Home / 13,291,357.71-19,937,034.44-3,193,978.71

Finding the Fourth Proportional to 13,291,357.71, 19,937,034.44 and 3,193,978.71

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Solution

The fourth proportional to 13,291,357.71, 19,937,034.44 and 3,193,978.71 is: 4,790,967.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,291,357.71 : 19,937,034.44 = 3,193,978.71 : x
  2. Step 2: Convert to fraction form
    13,291,357.71/19,937,034.44 = 3,193,978.71/x
  3. Step 3: Cross multiply
    13,291,357.71x = 19,937,034.44 × 3,193,978.71
  4. Step 4: Simplify right side
    13,291,357.71x = 63,678,463,541,896.77
  5. Step 5: Solve for x
    x = 63,678,463,541,896.77/13,291,357.71
  6. Step 6: Final answer
    x = 4,790,967.55

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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.