Home / 30,802,794.94-42,508,358.31-16,863,914.80

Finding the Fourth Proportional to 30,802,794.94, 42,508,358.31 and 16,863,914.80

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Solution

The fourth proportional to 30,802,794.94, 42,508,358.31 and 16,863,914.80 is: 23,272,476.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,802,794.94 : 42,508,358.31 = 16,863,914.80 : x
  2. Step 2: Convert to fraction form
    30,802,794.94/42,508,358.31 = 16,863,914.80/x
  3. Step 3: Cross multiply
    30,802,794.94x = 42,508,358.31 × 16,863,914.80
  4. Step 4: Simplify right side
    30,802,794.94x = 716,857,332,827,712
  5. Step 5: Solve for x
    x = 716,857,332,827,712/30,802,794.94
  6. Step 6: Final answer
    x = 23,272,476.87

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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.