Home / 30,540,966.08-42,147,337.92-16,790,276.48

Finding the Fourth Proportional to 30,540,966.08, 42,147,337.92 and 16,790,276.48

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Solution

The fourth proportional to 30,540,966.08, 42,147,337.92 and 16,790,276.48 is: 23,171,023.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,540,966.08 : 42,147,337.92 = 16,790,276.48 : x
  2. Step 2: Convert to fraction form
    30,540,966.08/42,147,337.92 = 16,790,276.48/x
  3. Step 3: Cross multiply
    30,540,966.08x = 42,147,337.92 × 16,790,276.48
  4. Step 4: Simplify right side
    30,540,966.08x = 707,665,456,572,788.12
  5. Step 5: Solve for x
    x = 707,665,456,572,788.12/30,540,966.08
  6. Step 6: Final answer
    x = 23,171,023.95

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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.