Home / 21,019,924.08-29,007,482.40-11,362,132.08

Finding the Fourth Proportional to 21,019,924.08, 29,007,482.40 and 11,362,132.08

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Solution

The fourth proportional to 21,019,924.08, 29,007,482.40 and 11,362,132.08 is: 15,679,735.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,019,924.08 : 29,007,482.40 = 11,362,132.08 : x
  2. Step 2: Convert to fraction form
    21,019,924.08/29,007,482.40 = 11,362,132.08/x
  3. Step 3: Cross multiply
    21,019,924.08x = 29,007,482.40 × 11,362,132.08
  4. Step 4: Simplify right side
    21,019,924.08x = 329,586,846,337,075.38
  5. Step 5: Solve for x
    x = 329,586,846,337,075.38/21,019,924.08
  6. Step 6: Final answer
    x = 15,679,735.34

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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.