Home / 15,299,954.69-21,114,316.09-8,331,014.29

Finding the Fourth Proportional to 15,299,954.69, 21,114,316.09 and 8,331,014.29

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Solution

The fourth proportional to 15,299,954.69, 21,114,316.09 and 8,331,014.29 is: 11,497,005.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,299,954.69 : 21,114,316.09 = 8,331,014.29 : x
  2. Step 2: Convert to fraction form
    15,299,954.69/21,114,316.09 = 8,331,014.29/x
  3. Step 3: Cross multiply
    15,299,954.69x = 21,114,316.09 × 8,331,014.29
  4. Step 4: Simplify right side
    15,299,954.69x = 175,903,668,987,405.53
  5. Step 5: Solve for x
    x = 175,903,668,987,405.53/15,299,954.69
  6. Step 6: Final answer
    x = 11,497,005.88

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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.