Home / 30,776,267.28-42,471,094.68-16,837,369.88

Finding the Fourth Proportional to 30,776,267.28, 42,471,094.68 and 16,837,369.88

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Solution

The fourth proportional to 30,776,267.28, 42,471,094.68 and 16,837,369.88 is: 23,235,486.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,776,267.28 : 42,471,094.68 = 16,837,369.88 : x
  2. Step 2: Convert to fraction form
    30,776,267.28/42,471,094.68 = 16,837,369.88/x
  3. Step 3: Cross multiply
    30,776,267.28x = 42,471,094.68 × 16,837,369.88
  4. Step 4: Simplify right side
    30,776,267.28x = 715,101,530,335,660.25
  5. Step 5: Solve for x
    x = 715,101,530,335,660.25/30,776,267.28
  6. Step 6: Final answer
    x = 23,235,486.09

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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.