Home / 21,514,076-29,689,425.54-11,856,284

Finding the Fourth Proportional to 21,514,076, 29,689,425.54 and 11,856,284

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Solution

The fourth proportional to 21,514,076, 29,689,425.54 and 11,856,284 is: 16,361,672.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,514,076 : 29,689,425.54 = 11,856,284 : x
  2. Step 2: Convert to fraction form
    21,514,076/29,689,425.54 = 11,856,284/x
  3. Step 3: Cross multiply
    21,514,076x = 29,689,425.54 × 11,856,284
  4. Step 4: Simplify right side
    21,514,076x = 352,006,260,999,093.38
  5. Step 5: Solve for x
    x = 352,006,260,999,093.38/21,514,076
  6. Step 6: Final answer
    x = 16,361,672.28

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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.