Home / 12,701,916.16-19,138,263.14-11,488,845.17

Finding the Fourth Proportional to 12,701,916.16, 19,138,263.14 and 11,488,845.17

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Solution

The fourth proportional to 12,701,916.16, 19,138,263.14 and 11,488,845.17 is: 17,310,501.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,701,916.16 : 19,138,263.14 = 11,488,845.17 : x
  2. Step 2: Convert to fraction form
    12,701,916.16/19,138,263.14 = 11,488,845.17/x
  3. Step 3: Cross multiply
    12,701,916.16x = 19,138,263.14 × 11,488,845.17
  4. Step 4: Simplify right side
    12,701,916.16x = 219,876,542,114,745.78
  5. Step 5: Solve for x
    x = 219,876,542,114,745.78/12,701,916.16
  6. Step 6: Final answer
    x = 17,310,501.77

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.