Home / 12,477,374.20-18,730,058.10-9,650,020.60

Finding the Fourth Proportional to 12,477,374.20, 18,730,058.10 and 9,650,020.60

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Solution

The fourth proportional to 12,477,374.20, 18,730,058.10 and 9,650,020.60 is: 14,485,856.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,477,374.20 : 18,730,058.10 = 9,650,020.60 : x
  2. Step 2: Convert to fraction form
    12,477,374.20/18,730,058.10 = 9,650,020.60/x
  3. Step 3: Cross multiply
    12,477,374.20x = 18,730,058.10 × 9,650,020.60
  4. Step 4: Simplify right side
    12,477,374.20x = 180,745,446,504,196.88
  5. Step 5: Solve for x
    x = 180,745,446,504,196.88/12,477,374.20
  6. Step 6: Final answer
    x = 14,485,856.05

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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.