Home / 21,686,253.86-29,926,855.62-11,763,111.92

Finding the Fourth Proportional to 21,686,253.86, 29,926,855.62 and 11,763,111.92

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Solution

The fourth proportional to 21,686,253.86, 29,926,855.62 and 11,763,111.92 is: 16,232,999.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,686,253.86 : 29,926,855.62 = 11,763,111.92 : x
  2. Step 2: Convert to fraction form
    21,686,253.86/29,926,855.62 = 11,763,111.92/x
  3. Step 3: Cross multiply
    21,686,253.86x = 29,926,855.62 × 11,763,111.92
  4. Step 4: Simplify right side
    21,686,253.86x = 352,032,952,071,741
  5. Step 5: Solve for x
    x = 352,032,952,071,741/21,686,253.86
  6. Step 6: Final answer
    x = 16,232,999.68

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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.