Home / 13,177,930.34-18,172,768.06-10,276,262.48

Finding the Fourth Proportional to 13,177,930.34, 18,172,768.06 and 10,276,262.48

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Solution

The fourth proportional to 13,177,930.34, 18,172,768.06 and 10,276,262.48 is: 14,171,279.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,177,930.34 : 18,172,768.06 = 10,276,262.48 : x
  2. Step 2: Convert to fraction form
    13,177,930.34/18,172,768.06 = 10,276,262.48/x
  3. Step 3: Cross multiply
    13,177,930.34x = 18,172,768.06 × 10,276,262.48
  4. Step 4: Simplify right side
    13,177,930.34x = 186,748,134,572,720.38
  5. Step 5: Solve for x
    x = 186,748,134,572,720.38/13,177,930.34
  6. Step 6: Final answer
    x = 14,171,279.54

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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.