Home / 21,075,726.24-29,082,276.72-11,906,598.24

Finding the Fourth Proportional to 21,075,726.24, 29,082,276.72 and 11,906,598.24

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Solution

The fourth proportional to 21,075,726.24, 29,082,276.72 and 11,906,598.24 is: 16,429,848.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,075,726.24 : 29,082,276.72 = 11,906,598.24 : x
  2. Step 2: Convert to fraction form
    21,075,726.24/29,082,276.72 = 11,906,598.24/x
  3. Step 3: Cross multiply
    21,075,726.24x = 29,082,276.72 × 11,906,598.24
  4. Step 4: Simplify right side
    21,075,726.24x = 346,270,984,809,544.94
  5. Step 5: Solve for x
    x = 346,270,984,809,544.94/21,075,726.24
  6. Step 6: Final answer
    x = 16,429,848.29

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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.