Home / 12,590,493.60-18,885,740.40-11,540,733.60

Finding the Fourth Proportional to 12,590,493.60, 18,885,740.40 and 11,540,733.60

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Solution

The fourth proportional to 12,590,493.60, 18,885,740.40 and 11,540,733.60 is: 17,311,100.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,590,493.60 : 18,885,740.40 = 11,540,733.60 : x
  2. Step 2: Convert to fraction form
    12,590,493.60/18,885,740.40 = 11,540,733.60/x
  3. Step 3: Cross multiply
    12,590,493.60x = 18,885,740.40 × 11,540,733.60
  4. Step 4: Simplify right side
    12,590,493.60x = 217,955,298,795,157.41
  5. Step 5: Solve for x
    x = 217,955,298,795,157.41/12,590,493.60
  6. Step 6: Final answer
    x = 17,311,100.40

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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.