Home / 30,429,709.24-41,992,911.66-16,678,630.84

Finding the Fourth Proportional to 30,429,709.24, 41,992,911.66 and 16,678,630.84

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Solution

The fourth proportional to 30,429,709.24, 41,992,911.66 and 16,678,630.84 is: 23,016,462.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,429,709.24 : 41,992,911.66 = 16,678,630.84 : x
  2. Step 2: Convert to fraction form
    30,429,709.24/41,992,911.66 = 16,678,630.84/x
  3. Step 3: Cross multiply
    30,429,709.24x = 41,992,911.66 × 16,678,630.84
  4. Step 4: Simplify right side
    30,429,709.24x = 700,384,271,473,871.50
  5. Step 5: Solve for x
    x = 700,384,271,473,871.50/30,429,709.24
  6. Step 6: Final answer
    x = 23,016,462.82

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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.