Home / 20,317,563.18-28,030,255.92-11,611,065.06

Finding the Fourth Proportional to 20,317,563.18, 28,030,255.92 and 11,611,065.06

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Solution

The fourth proportional to 20,317,563.18, 28,030,255.92 and 11,611,065.06 is: 16,018,708.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,317,563.18 : 28,030,255.92 = 11,611,065.06 : x
  2. Step 2: Convert to fraction form
    20,317,563.18/28,030,255.92 = 11,611,065.06/x
  3. Step 3: Cross multiply
    20,317,563.18x = 28,030,255.92 × 11,611,065.06
  4. Step 4: Simplify right side
    20,317,563.18x = 325,461,125,135,570.19
  5. Step 5: Solve for x
    x = 325,461,125,135,570.19/20,317,563.18
  6. Step 6: Final answer
    x = 16,018,708.65

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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.