Home / 20,369,495.40-28,110,182.13-11,667,663.24

Finding the Fourth Proportional to 20,369,495.40, 28,110,182.13 and 11,667,663.24

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Solution

The fourth proportional to 20,369,495.40, 28,110,182.13 and 11,667,663.24 is: 16,101,534.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,369,495.40 : 28,110,182.13 = 11,667,663.24 : x
  2. Step 2: Convert to fraction form
    20,369,495.40/28,110,182.13 = 11,667,663.24/x
  3. Step 3: Cross multiply
    20,369,495.40x = 28,110,182.13 × 11,667,663.24
  4. Step 4: Simplify right side
    20,369,495.40x = 327,980,138,707,905.88
  5. Step 5: Solve for x
    x = 327,980,138,707,905.88/20,369,495.40
  6. Step 6: Final answer
    x = 16,101,534.78

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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.