Home / 12,096,740.70-18,145,111.11-3,121,292.70

Finding the Fourth Proportional to 12,096,740.70, 18,145,111.11 and 3,121,292.70

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Solution

The fourth proportional to 12,096,740.70, 18,145,111.11 and 3,121,292.70 is: 4,681,939.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,096,740.70 : 18,145,111.11 = 3,121,292.70 : x
  2. Step 2: Convert to fraction form
    12,096,740.70/18,145,111.11 = 3,121,292.70/x
  3. Step 3: Cross multiply
    12,096,740.70x = 18,145,111.11 × 3,121,292.70
  4. Step 4: Simplify right side
    12,096,740.70x = 56,636,202,848,331.90
  5. Step 5: Solve for x
    x = 56,636,202,848,331.90/12,096,740.70
  6. Step 6: Final answer
    x = 4,681,939.07

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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.