Home / 21,116,997.01-29,141,455.88-11,459,205.01

Finding the Fourth Proportional to 21,116,997.01, 29,141,455.88 and 11,459,205.01

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Solution

The fourth proportional to 21,116,997.01, 29,141,455.88 and 11,459,205.01 is: 15,813,702.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,116,997.01 : 29,141,455.88 = 11,459,205.01 : x
  2. Step 2: Convert to fraction form
    21,116,997.01/29,141,455.88 = 11,459,205.01/x
  3. Step 3: Cross multiply
    21,116,997.01x = 29,141,455.88 × 11,459,205.01
  4. Step 4: Simplify right side
    21,116,997.01x = 333,937,917,218,789.94
  5. Step 5: Solve for x
    x = 333,937,917,218,789.94/21,116,997.01
  6. Step 6: Final answer
    x = 15,813,702.92

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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.