Home / 12,269,324.26-16,931,734.65-7,115,741.38

Finding the Fourth Proportional to 12,269,324.26, 16,931,734.65 and 7,115,741.38

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Solution

The fourth proportional to 12,269,324.26, 16,931,734.65 and 7,115,741.38 is: 9,819,762.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,269,324.26 : 16,931,734.65 = 7,115,741.38 : x
  2. Step 2: Convert to fraction form
    12,269,324.26/16,931,734.65 = 7,115,741.38/x
  3. Step 3: Cross multiply
    12,269,324.26x = 16,931,734.65 × 7,115,741.38
  4. Step 4: Simplify right side
    12,269,324.26x = 120,481,844,884,184.80
  5. Step 5: Solve for x
    x = 120,481,844,884,184.80/12,269,324.26
  6. Step 6: Final answer
    x = 9,819,762.06

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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.