Home / 12,054,402.40-18,081,603.60-7,267,496.80

Finding the Fourth Proportional to 12,054,402.40, 18,081,603.60 and 7,267,496.80

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Solution

The fourth proportional to 12,054,402.40, 18,081,603.60 and 7,267,496.80 is: 10,901,245.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,054,402.40 : 18,081,603.60 = 7,267,496.80 : x
  2. Step 2: Convert to fraction form
    12,054,402.40/18,081,603.60 = 7,267,496.80/x
  3. Step 3: Cross multiply
    12,054,402.40x = 18,081,603.60 × 7,267,496.80
  4. Step 4: Simplify right side
    12,054,402.40x = 131,407,996,301,868.48
  5. Step 5: Solve for x
    x = 131,407,996,301,868.48/12,054,402.40
  6. Step 6: Final answer
    x = 10,901,245.20

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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.