Home / 30,716,127.72-42,388,004.24-16,777,491.68

Finding the Fourth Proportional to 30,716,127.72, 42,388,004.24 and 16,777,491.68

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Solution

The fourth proportional to 30,716,127.72, 42,388,004.24 and 16,777,491.68 is: 23,152,800.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,716,127.72 : 42,388,004.24 = 16,777,491.68 : x
  2. Step 2: Convert to fraction form
    30,716,127.72/42,388,004.24 = 16,777,491.68/x
  3. Step 3: Cross multiply
    30,716,127.72x = 42,388,004.24 × 16,777,491.68
  4. Step 4: Simplify right side
    30,716,127.72x = 711,164,388,468,404.75
  5. Step 5: Solve for x
    x = 711,164,388,468,404.75/30,716,127.72
  6. Step 6: Final answer
    x = 23,152,800.87

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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.