Home / 20,701,305.54-28,567,995.30-11,409,216.12

Finding the Fourth Proportional to 20,701,305.54, 28,567,995.30 and 11,409,216.12

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Solution

The fourth proportional to 20,701,305.54, 28,567,995.30 and 11,409,216.12 is: 15,744,824.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,701,305.54 : 28,567,995.30 = 11,409,216.12 : x
  2. Step 2: Convert to fraction form
    20,701,305.54/28,567,995.30 = 11,409,216.12/x
  3. Step 3: Cross multiply
    20,701,305.54x = 28,567,995.30 × 11,409,216.12
  4. Step 4: Simplify right side
    20,701,305.54x = 325,938,432,492,844.25
  5. Step 5: Solve for x
    x = 325,938,432,492,844.25/20,701,305.54
  6. Step 6: Final answer
    x = 15,744,824.98

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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.