Home / 13,228,310.58-18,254,451.60-7,348,325.88

Finding the Fourth Proportional to 13,228,310.58, 18,254,451.60 and 7,348,325.88

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Solution

The fourth proportional to 13,228,310.58, 18,254,451.60 and 7,348,325.88 is: 10,140,346.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,228,310.58 : 18,254,451.60 = 7,348,325.88 : x
  2. Step 2: Convert to fraction form
    13,228,310.58/18,254,451.60 = 7,348,325.88/x
  3. Step 3: Cross multiply
    13,228,310.58x = 18,254,451.60 × 7,348,325.88
  4. Step 4: Simplify right side
    13,228,310.58x = 134,139,659,117,487.42
  5. Step 5: Solve for x
    x = 134,139,659,117,487.42/13,228,310.58
  6. Step 6: Final answer
    x = 10,140,346.97

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.