Home / 21,411,023.56-29,547,242.42-11,621,469.76

Finding the Fourth Proportional to 21,411,023.56, 29,547,242.42 and 11,621,469.76

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Solution

The fourth proportional to 21,411,023.56, 29,547,242.42 and 11,621,469.76 is: 16,037,644.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,411,023.56 : 29,547,242.42 = 11,621,469.76 : x
  2. Step 2: Convert to fraction form
    21,411,023.56/29,547,242.42 = 11,621,469.76/x
  3. Step 3: Cross multiply
    21,411,023.56x = 29,547,242.42 × 11,621,469.76
  4. Step 4: Simplify right side
    21,411,023.56x = 343,382,384,143,443.75
  5. Step 5: Solve for x
    x = 343,382,384,143,443.75/21,411,023.56
  6. Step 6: Final answer
    x = 16,037,644.50

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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.