Home / 21,603,997.30-29,812,926.45-11,945,875.06

Finding the Fourth Proportional to 21,603,997.30, 29,812,926.45 and 11,945,875.06

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Solution

The fourth proportional to 21,603,997.30, 29,812,926.45 and 11,945,875.06 is: 16,484,981.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,603,997.30 : 29,812,926.45 = 11,945,875.06 : x
  2. Step 2: Convert to fraction form
    21,603,997.30/29,812,926.45 = 11,945,875.06/x
  3. Step 3: Cross multiply
    21,603,997.30x = 29,812,926.45 × 11,945,875.06
  4. Step 4: Simplify right side
    21,603,997.30x = 356,141,494,544,669.31
  5. Step 5: Solve for x
    x = 356,141,494,544,669.31/21,603,997.30
  6. Step 6: Final answer
    x = 16,484,981.44

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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.