Home / 19,873,448.86-27,421,305.42-11,611,913.28

Finding the Fourth Proportional to 19,873,448.86, 27,421,305.42 and 11,611,913.28

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Solution

The fourth proportional to 19,873,448.86, 27,421,305.42 and 11,611,913.28 is: 16,022,071.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,873,448.86 : 27,421,305.42 = 11,611,913.28 : x
  2. Step 2: Convert to fraction form
    19,873,448.86/27,421,305.42 = 11,611,913.28/x
  3. Step 3: Cross multiply
    19,873,448.86x = 27,421,305.42 × 11,611,913.28
  4. Step 4: Simplify right side
    19,873,448.86x = 318,413,820,561,434
  5. Step 5: Solve for x
    x = 318,413,820,561,434/19,873,448.86
  6. Step 6: Final answer
    x = 16,022,071.60

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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.