Home / 21,692,640.16-29,935,647.12-11,902,898.08

Finding the Fourth Proportional to 21,692,640.16, 29,935,647.12 and 11,902,898.08

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Solution

The fourth proportional to 21,692,640.16, 29,935,647.12 and 11,902,898.08 is: 16,425,891.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,692,640.16 : 29,935,647.12 = 11,902,898.08 : x
  2. Step 2: Convert to fraction form
    21,692,640.16/29,935,647.12 = 11,902,898.08/x
  3. Step 3: Cross multiply
    21,692,640.16x = 29,935,647.12 × 11,902,898.08
  4. Step 4: Simplify right side
    21,692,640.16x = 356,320,956,628,205.56
  5. Step 5: Solve for x
    x = 356,320,956,628,205.56/21,692,640.16
  6. Step 6: Final answer
    x = 16,425,891.64

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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.