Home / 18,655,299.54-25,755,237.09-12,227,968.98

Finding the Fourth Proportional to 18,655,299.54, 25,755,237.09 and 12,227,968.98

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Solution

The fourth proportional to 18,655,299.54, 25,755,237.09 and 12,227,968.98 is: 16,881,757.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,655,299.54 : 25,755,237.09 = 12,227,968.98 : x
  2. Step 2: Convert to fraction form
    18,655,299.54/25,755,237.09 = 12,227,968.98/x
  3. Step 3: Cross multiply
    18,655,299.54x = 25,755,237.09 × 12,227,968.98
  4. Step 4: Simplify right side
    18,655,299.54x = 314,934,240,209,065.50
  5. Step 5: Solve for x
    x = 314,934,240,209,065.50/18,655,299.54
  6. Step 6: Final answer
    x = 16,881,757.35

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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.