Home / 30,802,679.92-42,510,059.04-17,572,148.02

Finding the Fourth Proportional to 30,802,679.92, 42,510,059.04 and 17,572,148.02

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Solution

The fourth proportional to 30,802,679.92, 42,510,059.04 and 17,572,148.02 is: 24,250,911.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,802,679.92 : 42,510,059.04 = 17,572,148.02 : x
  2. Step 2: Convert to fraction form
    30,802,679.92/42,510,059.04 = 17,572,148.02/x
  3. Step 3: Cross multiply
    30,802,679.92x = 42,510,059.04 × 17,572,148.02
  4. Step 4: Simplify right side
    30,802,679.92x = 746,993,049,789,819.12
  5. Step 5: Solve for x
    x = 746,993,049,789,819.12/30,802,679.92
  6. Step 6: Final answer
    x = 24,250,911.02

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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.