Home / 21,058,995.84-29,061,606.40-12,357,313.44

Finding the Fourth Proportional to 21,058,995.84, 29,061,606.40 and 12,357,313.44

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Solution

The fourth proportional to 21,058,995.84, 29,061,606.40 and 12,357,313.44 is: 17,053,205.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,058,995.84 : 29,061,606.40 = 12,357,313.44 : x
  2. Step 2: Convert to fraction form
    21,058,995.84/29,061,606.40 = 12,357,313.44/x
  3. Step 3: Cross multiply
    21,058,995.84x = 29,061,606.40 × 12,357,313.44
  4. Step 4: Simplify right side
    21,058,995.84x = 359,123,379,354,710
  5. Step 5: Solve for x
    x = 359,123,379,354,710/21,058,995.84
  6. Step 6: Final answer
    x = 17,053,205.29

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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.