Home / 21,411,022.92-29,547,241.54-11,621,469.14

Finding the Fourth Proportional to 21,411,022.92, 29,547,241.54 and 11,621,469.14

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Solution

The fourth proportional to 21,411,022.92, 29,547,241.54 and 11,621,469.14 is: 16,037,643.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,411,022.92 : 29,547,241.54 = 11,621,469.14 : x
  2. Step 2: Convert to fraction form
    21,411,022.92/29,547,241.54 = 11,621,469.14/x
  3. Step 3: Cross multiply
    21,411,022.92x = 29,547,241.54 × 11,621,469.14
  4. Step 4: Simplify right side
    21,411,022.92x = 343,382,355,729,236.06
  5. Step 5: Solve for x
    x = 343,382,355,729,236.06/21,411,022.92
  6. Step 6: Final answer
    x = 16,037,643.65

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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.