Home / 28,659,276.69-42,995,556.23-8,189,262.87

Finding the Fourth Proportional to 28,659,276.69, 42,995,556.23 and 8,189,262.87

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Solution

The fourth proportional to 28,659,276.69, 42,995,556.23 and 8,189,262.87 is: 12,285,792.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,659,276.69 : 42,995,556.23 = 8,189,262.87 : x
  2. Step 2: Convert to fraction form
    28,659,276.69/42,995,556.23 = 8,189,262.87/x
  3. Step 3: Cross multiply
    28,659,276.69x = 42,995,556.23 × 8,189,262.87
  4. Step 4: Simplify right side
    28,659,276.69x = 352,101,912,209,336.19
  5. Step 5: Solve for x
    x = 352,101,912,209,336.19/28,659,276.69
  6. Step 6: Final answer
    x = 12,285,792.00

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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.