Home / 21,117,506.34-29,127,103.63-19,380,774.10

Finding the Fourth Proportional to 21,117,506.34, 29,127,103.63 and 19,380,774.10

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Solution

The fourth proportional to 21,117,506.34, 29,127,103.63 and 19,380,774.10 is: 26,731,651.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,117,506.34 : 29,127,103.63 = 19,380,774.10 : x
  2. Step 2: Convert to fraction form
    21,117,506.34/29,127,103.63 = 19,380,774.10/x
  3. Step 3: Cross multiply
    21,117,506.34x = 29,127,103.63 × 19,380,774.10
  4. Step 4: Simplify right side
    21,117,506.34x = 564,505,815,640,320
  5. Step 5: Solve for x
    x = 564,505,815,640,320/21,117,506.34
  6. Step 6: Final answer
    x = 26,731,651.29

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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.