Home / 13,728,018.64-20,597,451.72-5,210,615.92

Finding the Fourth Proportional to 13,728,018.64, 20,597,451.72 and 5,210,615.92

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Solution

The fourth proportional to 13,728,018.64, 20,597,451.72 and 5,210,615.92 is: 7,817,982.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,728,018.64 : 20,597,451.72 = 5,210,615.92 : x
  2. Step 2: Convert to fraction form
    13,728,018.64/20,597,451.72 = 5,210,615.92/x
  3. Step 3: Cross multiply
    13,728,018.64x = 20,597,451.72 × 5,210,615.92
  4. Step 4: Simplify right side
    13,728,018.64x = 107,325,409,843,663.38
  5. Step 5: Solve for x
    x = 107,325,409,843,663.38/13,728,018.64
  6. Step 6: Final answer
    x = 7,817,982.53

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.