Home / 18,655,302.54-25,755,241.23-12,227,971.98

Finding the Fourth Proportional to 18,655,302.54, 25,755,241.23 and 12,227,971.98

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Solution

The fourth proportional to 18,655,302.54, 25,755,241.23 and 12,227,971.98 is: 16,881,761.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,655,302.54 : 25,755,241.23 = 12,227,971.98 : x
  2. Step 2: Convert to fraction form
    18,655,302.54/25,755,241.23 = 12,227,971.98/x
  3. Step 3: Cross multiply
    18,655,302.54x = 25,755,241.23 × 12,227,971.98
  4. Step 4: Simplify right side
    18,655,302.54x = 314,934,368,098,580.75
  5. Step 5: Solve for x
    x = 314,934,368,098,580.75/18,655,302.54
  6. Step 6: Final answer
    x = 16,881,761.50

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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.