Home / 12,077,021.21-16,666,328.90-6,570,394.43

Finding the Fourth Proportional to 12,077,021.21, 16,666,328.90 and 6,570,394.43

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Solution

The fourth proportional to 12,077,021.21, 16,666,328.90 and 6,570,394.43 is: 9,067,165.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,077,021.21 : 16,666,328.90 = 6,570,394.43 : x
  2. Step 2: Convert to fraction form
    12,077,021.21/16,666,328.90 = 6,570,394.43/x
  3. Step 3: Cross multiply
    12,077,021.21x = 16,666,328.90 × 6,570,394.43
  4. Step 4: Simplify right side
    12,077,021.21x = 109,504,354,540,256.05
  5. Step 5: Solve for x
    x = 109,504,354,540,256.05/12,077,021.21
  6. Step 6: Final answer
    x = 9,067,165.87

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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.