Home / 30,886,302.15-42,623,080.50-16,947,748.79

Finding the Fourth Proportional to 30,886,302.15, 42,623,080.50 and 16,947,748.79

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Solution

The fourth proportional to 30,886,302.15, 42,623,080.50 and 16,947,748.79 is: 23,387,884.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,886,302.15 : 42,623,080.50 = 16,947,748.79 : x
  2. Step 2: Convert to fraction form
    30,886,302.15/42,623,080.50 = 16,947,748.79/x
  3. Step 3: Cross multiply
    30,886,302.15x = 42,623,080.50 × 16,947,748.79
  4. Step 4: Simplify right side
    30,886,302.15x = 722,365,260,957,107.62
  5. Step 5: Solve for x
    x = 722,365,260,957,107.62/30,886,302.15
  6. Step 6: Final answer
    x = 23,387,884.30

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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.