Home / 28,890,085.20-43,335,127.80-9,714,469.20

Finding the Fourth Proportional to 28,890,085.20, 43,335,127.80 and 9,714,469.20

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Solution

The fourth proportional to 28,890,085.20, 43,335,127.80 and 9,714,469.20 is: 14,571,703.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,890,085.20 : 43,335,127.80 = 9,714,469.20 : x
  2. Step 2: Convert to fraction form
    28,890,085.20/43,335,127.80 = 9,714,469.20/x
  3. Step 3: Cross multiply
    28,890,085.20x = 43,335,127.80 × 9,714,469.20
  4. Step 4: Simplify right side
    28,890,085.20x = 420,977,764,291,163.69
  5. Step 5: Solve for x
    x = 420,977,764,291,163.69/28,890,085.20
  6. Step 6: Final answer
    x = 14,571,703.80

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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.