Home / 15,294,212.70-21,106,570.40-8,324,553.36

Finding the Fourth Proportional to 15,294,212.70, 21,106,570.40 and 8,324,553.36

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Solution

The fourth proportional to 15,294,212.70, 21,106,570.40 and 8,324,553.36 is: 11,488,186.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,294,212.70 : 21,106,570.40 = 8,324,553.36 : x
  2. Step 2: Convert to fraction form
    15,294,212.70/21,106,570.40 = 8,324,553.36/x
  3. Step 3: Cross multiply
    15,294,212.70x = 21,106,570.40 × 8,324,553.36
  4. Step 4: Simplify right side
    15,294,212.70x = 175,702,771,499,773.78
  5. Step 5: Solve for x
    x = 175,702,771,499,773.78/15,294,212.70
  6. Step 6: Final answer
    x = 11,488,186.74

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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.