Home / 19,685,968.88-27,169,090.62-11,424,257.24

Finding the Fourth Proportional to 19,685,968.88, 27,169,090.62 and 11,424,257.24

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Solution

The fourth proportional to 19,685,968.88, 27,169,090.62 and 11,424,257.24 is: 15,766,898.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,685,968.88 : 27,169,090.62 = 11,424,257.24 : x
  2. Step 2: Convert to fraction form
    19,685,968.88/27,169,090.62 = 11,424,257.24/x
  3. Step 3: Cross multiply
    19,685,968.88x = 27,169,090.62 × 11,424,257.24
  4. Step 4: Simplify right side
    19,685,968.88x = 310,386,680,219,751.12
  5. Step 5: Solve for x
    x = 310,386,680,219,751.12/19,685,968.88
  6. Step 6: Final answer
    x = 15,766,898.86

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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.