Home / 30,694,409.92-42,359,288.24-16,756,508.20

Finding the Fourth Proportional to 30,694,409.92, 42,359,288.24 and 16,756,508.20

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Solution

The fourth proportional to 30,694,409.92, 42,359,288.24 and 16,756,508.20 is: 23,124,528.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,694,409.92 : 42,359,288.24 = 16,756,508.20 : x
  2. Step 2: Convert to fraction form
    30,694,409.92/42,359,288.24 = 16,756,508.20/x
  3. Step 3: Cross multiply
    30,694,409.92x = 42,359,288.24 × 16,756,508.20
  4. Step 4: Simplify right side
    30,694,409.92x = 709,793,760,739,723.62
  5. Step 5: Solve for x
    x = 709,793,760,739,723.62/30,694,409.92
  6. Step 6: Final answer
    x = 23,124,528.62

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.