Home / 28,022,980.20-42,034,470.30-16,685,572.20

Finding the Fourth Proportional to 28,022,980.20, 42,034,470.30 and 16,685,572.20

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Solution

The fourth proportional to 28,022,980.20, 42,034,470.30 and 16,685,572.20 is: 25,028,358.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,022,980.20 : 42,034,470.30 = 16,685,572.20 : x
  2. Step 2: Convert to fraction form
    28,022,980.20/42,034,470.30 = 16,685,572.20/x
  3. Step 3: Cross multiply
    28,022,980.20x = 42,034,470.30 × 16,685,572.20
  4. Step 4: Simplify right side
    28,022,980.20x = 701,369,189,079,405.62
  5. Step 5: Solve for x
    x = 701,369,189,079,405.62/28,022,980.20
  6. Step 6: Final answer
    x = 25,028,358.30

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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.