Home / 29,092,501.89-43,638,971.13-12,914,103.78

Finding the Fourth Proportional to 29,092,501.89, 43,638,971.13 and 12,914,103.78

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Solution

The fourth proportional to 29,092,501.89, 43,638,971.13 and 12,914,103.78 is: 19,371,252.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,092,501.89 : 43,638,971.13 = 12,914,103.78 : x
  2. Step 2: Convert to fraction form
    29,092,501.89/43,638,971.13 = 12,914,103.78/x
  3. Step 3: Cross multiply
    29,092,501.89x = 43,638,971.13 × 12,914,103.78
  4. Step 4: Simplify right side
    29,092,501.89x = 563,558,202,025,243.88
  5. Step 5: Solve for x
    x = 563,558,202,025,243.88/29,092,501.89
  6. Step 6: Final answer
    x = 19,371,252.57

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.