Home / 13,027,999.20-19,548,997.20-5,455,730.40

Finding the Fourth Proportional to 13,027,999.20, 19,548,997.20 and 5,455,730.40

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Solution

The fourth proportional to 13,027,999.20, 19,548,997.20 and 5,455,730.40 is: 8,186,526.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,027,999.20 : 19,548,997.20 = 5,455,730.40 : x
  2. Step 2: Convert to fraction form
    13,027,999.20/19,548,997.20 = 5,455,730.40/x
  3. Step 3: Cross multiply
    13,027,999.20x = 19,548,997.20 × 5,455,730.40
  4. Step 4: Simplify right side
    13,027,999.20x = 106,654,058,313,554.89
  5. Step 5: Solve for x
    x = 106,654,058,313,554.89/13,027,999.20
  6. Step 6: Final answer
    x = 8,186,526.32

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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.