Home / 21,069,580.10-29,078,380.24-11,902,813.34

Finding the Fourth Proportional to 21,069,580.10, 29,078,380.24 and 11,902,813.34

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Solution

The fourth proportional to 21,069,580.10, 29,078,380.24 and 11,902,813.34 is: 16,427,215.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,069,580.10 : 29,078,380.24 = 11,902,813.34 : x
  2. Step 2: Convert to fraction form
    21,069,580.10/29,078,380.24 = 11,902,813.34/x
  3. Step 3: Cross multiply
    21,069,580.10x = 29,078,380.24 × 11,902,813.34
  4. Step 4: Simplify right side
    21,069,580.10x = 346,114,532,226,264.38
  5. Step 5: Solve for x
    x = 346,114,532,226,264.38/21,069,580.10
  6. Step 6: Final answer
    x = 16,427,215.47

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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.