Home / 12,481,999.20-18,695,005.20-10,242,511.20

Finding the Fourth Proportional to 12,481,999.20, 18,695,005.20 and 10,242,511.20

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Solution

The fourth proportional to 12,481,999.20, 18,695,005.20 and 10,242,511.20 is: 15,340,795.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,481,999.20 : 18,695,005.20 = 10,242,511.20 : x
  2. Step 2: Convert to fraction form
    12,481,999.20/18,695,005.20 = 10,242,511.20/x
  3. Step 3: Cross multiply
    12,481,999.20x = 18,695,005.20 × 10,242,511.20
  4. Step 4: Simplify right side
    12,481,999.20x = 191,483,800,145,058.22
  5. Step 5: Solve for x
    x = 191,483,800,145,058.22/12,481,999.20
  6. Step 6: Final answer
    x = 15,340,795.74

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1.5x scale

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.