Home / 21,410,982.01-29,547,185.06-11,621,428.43

Finding the Fourth Proportional to 21,410,982.01, 29,547,185.06 and 11,621,428.43

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Solution

The fourth proportional to 21,410,982.01, 29,547,185.06 and 11,621,428.43 is: 16,037,587.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,410,982.01 : 29,547,185.06 = 11,621,428.43 : x
  2. Step 2: Convert to fraction form
    21,410,982.01/29,547,185.06 = 11,621,428.43/x
  3. Step 3: Cross multiply
    21,410,982.01x = 29,547,185.06 × 11,621,428.43
  4. Step 4: Simplify right side
    21,410,982.01x = 343,380,496,364,072.94
  5. Step 5: Solve for x
    x = 343,380,496,364,072.94/21,410,982.01
  6. Step 6: Final answer
    x = 16,037,587.45

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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.