Home / 30,495,845.21-42,084,266.60-16,744,809.33

Finding the Fourth Proportional to 30,495,845.21, 42,084,266.60 and 16,744,809.33

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Solution

The fourth proportional to 30,495,845.21, 42,084,266.60 and 16,744,809.33 is: 23,107,836.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,495,845.21 : 42,084,266.60 = 16,744,809.33 : x
  2. Step 2: Convert to fraction form
    30,495,845.21/42,084,266.60 = 16,744,809.33/x
  3. Step 3: Cross multiply
    30,495,845.21x = 42,084,266.60 × 16,744,809.33
  4. Step 4: Simplify right side
    30,495,845.21x = 704,693,019,926,163.38
  5. Step 5: Solve for x
    x = 704,693,019,926,163.38/30,495,845.21
  6. Step 6: Final answer
    x = 23,107,836.99

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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.