Home / 14,394,079.39-21,594,900.53-5,172,982.88

Finding the Fourth Proportional to 14,394,079.39, 21,594,900.53 and 5,172,982.88

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Solution

The fourth proportional to 14,394,079.39, 21,594,900.53 and 5,172,982.88 is: 7,760,833.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,394,079.39 : 21,594,900.53 = 5,172,982.88 : x
  2. Step 2: Convert to fraction form
    14,394,079.39/21,594,900.53 = 5,172,982.88/x
  3. Step 3: Cross multiply
    14,394,079.39x = 21,594,900.53 × 5,172,982.88
  4. Step 4: Simplify right side
    14,394,079.39x = 111,710,050,736,992.94
  5. Step 5: Solve for x
    x = 111,710,050,736,992.94/14,394,079.39
  6. Step 6: Final answer
    x = 7,760,833.31

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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.