Home / 12,083,545.89-18,126,989.37-3,886,420.14

Finding the Fourth Proportional to 12,083,545.89, 18,126,989.37 and 3,886,420.14

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Solution

The fourth proportional to 12,083,545.89, 18,126,989.37 and 3,886,420.14 is: 5,830,167.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,083,545.89 : 18,126,989.37 = 3,886,420.14 : x
  2. Step 2: Convert to fraction form
    12,083,545.89/18,126,989.37 = 3,886,420.14/x
  3. Step 3: Cross multiply
    12,083,545.89x = 18,126,989.37 × 3,886,420.14
  4. Step 4: Simplify right side
    12,083,545.89x = 70,449,096,565,133.92
  5. Step 5: Solve for x
    x = 70,449,096,565,133.92/12,083,545.89
  6. Step 6: Final answer
    x = 5,830,167.50

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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.