Home / 30,281,989.20-45,422,983.80-17,527,405.20

Finding the Fourth Proportional to 30,281,989.20, 45,422,983.80 and 17,527,405.20

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Solution

The fourth proportional to 30,281,989.20, 45,422,983.80 and 17,527,405.20 is: 26,291,107.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,281,989.20 : 45,422,983.80 = 17,527,405.20 : x
  2. Step 2: Convert to fraction form
    30,281,989.20/45,422,983.80 = 17,527,405.20/x
  3. Step 3: Cross multiply
    30,281,989.20x = 45,422,983.80 × 17,527,405.20
  4. Step 4: Simplify right side
    30,281,989.20x = 796,147,042,455,635.62
  5. Step 5: Solve for x
    x = 796,147,042,455,635.62/30,281,989.20
  6. Step 6: Final answer
    x = 26,291,107.80

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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.