Home / 21,514,360.28-29,689,817.64-11,856,568.28

Finding the Fourth Proportional to 21,514,360.28, 29,689,817.64 and 11,856,568.28

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Solution

The fourth proportional to 21,514,360.28, 29,689,817.64 and 11,856,568.28 is: 16,362,064.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,514,360.28 : 29,689,817.64 = 11,856,568.28 : x
  2. Step 2: Convert to fraction form
    21,514,360.28/29,689,817.64 = 11,856,568.28/x
  3. Step 3: Cross multiply
    21,514,360.28x = 29,689,817.64 × 11,856,568.28
  4. Step 4: Simplify right side
    21,514,360.28x = 352,019,350,069,408.44
  5. Step 5: Solve for x
    x = 352,019,350,069,408.44/21,514,360.28
  6. Step 6: Final answer
    x = 16,362,064.48

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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.