Home / 13,116,944.64-19,545,016.80-11,686,005.12

Finding the Fourth Proportional to 13,116,944.64, 19,545,016.80 and 11,686,005.12

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Solution

The fourth proportional to 13,116,944.64, 19,545,016.80 and 11,686,005.12 is: 17,412,832.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,116,944.64 : 19,545,016.80 = 11,686,005.12 : x
  2. Step 2: Convert to fraction form
    13,116,944.64/19,545,016.80 = 11,686,005.12/x
  3. Step 3: Cross multiply
    13,116,944.64x = 19,545,016.80 × 11,686,005.12
  4. Step 4: Simplify right side
    13,116,944.64x = 228,403,166,395,286
  5. Step 5: Solve for x
    x = 228,403,166,395,286/13,116,944.64
  6. Step 6: Final answer
    x = 17,412,832.99

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.