Home / 12,614,843.30-17,416,045.90-8,271,506.38

Finding the Fourth Proportional to 12,614,843.30, 17,416,045.90 and 8,271,506.38

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Solution

The fourth proportional to 12,614,843.30, 17,416,045.90 and 8,271,506.38 is: 11,419,637.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,614,843.30 : 17,416,045.90 = 8,271,506.38 : x
  2. Step 2: Convert to fraction form
    12,614,843.30/17,416,045.90 = 8,271,506.38/x
  3. Step 3: Cross multiply
    12,614,843.30x = 17,416,045.90 × 8,271,506.38
  4. Step 4: Simplify right side
    12,614,843.30x = 144,056,934,776,222.81
  5. Step 5: Solve for x
    x = 144,056,934,776,222.81/12,614,843.30
  6. Step 6: Final answer
    x = 11,419,637.28

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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.