Home / 27,129,969.40-40,694,954.10-16,359,431.80

Finding the Fourth Proportional to 27,129,969.40, 40,694,954.10 and 16,359,431.80

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Solution

The fourth proportional to 27,129,969.40, 40,694,954.10 and 16,359,431.80 is: 24,539,147.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,129,969.40 : 40,694,954.10 = 16,359,431.80 : x
  2. Step 2: Convert to fraction form
    27,129,969.40/40,694,954.10 = 16,359,431.80/x
  3. Step 3: Cross multiply
    27,129,969.40x = 40,694,954.10 × 16,359,431.80
  4. Step 4: Simplify right side
    27,129,969.40x = 665,746,326,203,080.38
  5. Step 5: Solve for x
    x = 665,746,326,203,080.38/27,129,969.40
  6. Step 6: Final answer
    x = 24,539,147.70

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.