Home / 18,655,300.54-25,755,238.47-12,227,969.98

Finding the Fourth Proportional to 18,655,300.54, 25,755,238.47 and 12,227,969.98

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Solution

The fourth proportional to 18,655,300.54, 25,755,238.47 and 12,227,969.98 is: 16,881,758.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,655,300.54 : 25,755,238.47 = 12,227,969.98 : x
  2. Step 2: Convert to fraction form
    18,655,300.54/25,755,238.47 = 12,227,969.98/x
  3. Step 3: Cross multiply
    18,655,300.54x = 25,755,238.47 × 12,227,969.98
  4. Step 4: Simplify right side
    18,655,300.54x = 314,934,282,838,901.12
  5. Step 5: Solve for x
    x = 314,934,282,838,901.12/18,655,300.54
  6. Step 6: Final answer
    x = 16,881,758.73

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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.