Home / 12,149,985.60-18,225,194.40-3,630,427.20

Finding the Fourth Proportional to 12,149,985.60, 18,225,194.40 and 3,630,427.20

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Solution

The fourth proportional to 12,149,985.60, 18,225,194.40 and 3,630,427.20 is: 5,445,705.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,149,985.60 : 18,225,194.40 = 3,630,427.20 : x
  2. Step 2: Convert to fraction form
    12,149,985.60/18,225,194.40 = 3,630,427.20/x
  3. Step 3: Cross multiply
    12,149,985.60x = 18,225,194.40 × 3,630,427.20
  4. Step 4: Simplify right side
    12,149,985.60x = 66,165,241,475,047.68
  5. Step 5: Solve for x
    x = 66,165,241,475,047.68/12,149,985.60
  6. Step 6: Final answer
    x = 5,445,705.34

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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.