Home / 13,889,577.40-20,804,874.90-11,530,281.40

Finding the Fourth Proportional to 13,889,577.40, 20,804,874.90 and 11,530,281.40

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Solution

The fourth proportional to 13,889,577.40, 20,804,874.90 and 11,530,281.40 is: 17,270,940.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,889,577.40 : 20,804,874.90 = 11,530,281.40 : x
  2. Step 2: Convert to fraction form
    13,889,577.40/20,804,874.90 = 11,530,281.40/x
  3. Step 3: Cross multiply
    13,889,577.40x = 20,804,874.90 × 11,530,281.40
  4. Step 4: Simplify right side
    13,889,577.40x = 239,886,062,088,796.84
  5. Step 5: Solve for x
    x = 239,886,062,088,796.84/13,889,577.40
  6. Step 6: Final answer
    x = 17,270,940.30

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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.