Home / 18,715,080.30-28,072,620.45-17,483,361.90

Finding the Fourth Proportional to 18,715,080.30, 28,072,620.45 and 17,483,361.90

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Solution

The fourth proportional to 18,715,080.30, 28,072,620.45 and 17,483,361.90 is: 26,225,042.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,715,080.30 : 28,072,620.45 = 17,483,361.90 : x
  2. Step 2: Convert to fraction form
    18,715,080.30/28,072,620.45 = 17,483,361.90/x
  3. Step 3: Cross multiply
    18,715,080.30x = 28,072,620.45 × 17,483,361.90
  4. Step 4: Simplify right side
    18,715,080.30x = 490,803,782,808,690.81
  5. Step 5: Solve for x
    x = 490,803,782,808,690.81/18,715,080.30
  6. Step 6: Final answer
    x = 26,225,042.85

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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.