Home / 30,495,854.21-42,084,279.03-16,744,818.33

Finding the Fourth Proportional to 30,495,854.21, 42,084,279.03 and 16,744,818.33

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Solution

The fourth proportional to 30,495,854.21, 42,084,279.03 and 16,744,818.33 is: 23,107,849.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,495,854.21 : 42,084,279.03 = 16,744,818.33 : x
  2. Step 2: Convert to fraction form
    30,495,854.21/42,084,279.03 = 16,744,818.33/x
  3. Step 3: Cross multiply
    30,495,854.21x = 42,084,279.03 × 16,744,818.33
  4. Step 4: Simplify right side
    30,495,854.21x = 704,693,606,906,378.62
  5. Step 5: Solve for x
    x = 704,693,606,906,378.62/30,495,854.21
  6. Step 6: Final answer
    x = 23,107,849.42

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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.