Home / 29,446,952.13-40,638,954.54-21,075,107.94

Finding the Fourth Proportional to 29,446,952.13, 40,638,954.54 and 21,075,107.94

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Solution

The fourth proportional to 29,446,952.13, 40,638,954.54 and 21,075,107.94 is: 29,085,195.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,446,952.13 : 40,638,954.54 = 21,075,107.94 : x
  2. Step 2: Convert to fraction form
    29,446,952.13/40,638,954.54 = 21,075,107.94/x
  3. Step 3: Cross multiply
    29,446,952.13x = 40,638,954.54 × 21,075,107.94
  4. Step 4: Simplify right side
    29,446,952.13x = 856,470,353,499,253.12
  5. Step 5: Solve for x
    x = 856,470,353,499,253.12/29,446,952.13
  6. Step 6: Final answer
    x = 29,085,195.29

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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.