Home / 13,362,518.70-20,043,778.05-9,961,296.30

Finding the Fourth Proportional to 13,362,518.70, 20,043,778.05 and 9,961,296.30

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Solution

The fourth proportional to 13,362,518.70, 20,043,778.05 and 9,961,296.30 is: 14,941,944.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,362,518.70 : 20,043,778.05 = 9,961,296.30 : x
  2. Step 2: Convert to fraction form
    13,362,518.70/20,043,778.05 = 9,961,296.30/x
  3. Step 3: Cross multiply
    13,362,518.70x = 20,043,778.05 × 9,961,296.30
  4. Step 4: Simplify right side
    13,362,518.70x = 199,662,012,127,486.25
  5. Step 5: Solve for x
    x = 199,662,012,127,486.25/13,362,518.70
  6. Step 6: Final answer
    x = 14,941,944.45

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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.