Home / 30,802,772.82-42,508,327.78-16,863,892.68

Finding the Fourth Proportional to 30,802,772.82, 42,508,327.78 and 16,863,892.68

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Solution

The fourth proportional to 30,802,772.82, 42,508,327.78 and 16,863,892.68 is: 23,272,446.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,802,772.82 : 42,508,327.78 = 16,863,892.68 : x
  2. Step 2: Convert to fraction form
    30,802,772.82/42,508,327.78 = 16,863,892.68/x
  3. Step 3: Cross multiply
    30,802,772.82x = 42,508,327.78 × 16,863,892.68
  4. Step 4: Simplify right side
    30,802,772.82x = 716,855,877,433,481.38
  5. Step 5: Solve for x
    x = 716,855,877,433,481.38/30,802,772.82
  6. Step 6: Final answer
    x = 23,272,446.34

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1.5x scale

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.