Home / 11,127,614.60-16,691,421.90-8,605,080.20

Finding the Fourth Proportional to 11,127,614.60, 16,691,421.90 and 8,605,080.20

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Solution

The fourth proportional to 11,127,614.60, 16,691,421.90 and 8,605,080.20 is: 12,907,620.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,127,614.60 : 16,691,421.90 = 8,605,080.20 : x
  2. Step 2: Convert to fraction form
    11,127,614.60/16,691,421.90 = 8,605,080.20/x
  3. Step 3: Cross multiply
    11,127,614.60x = 16,691,421.90 × 8,605,080.20
  4. Step 4: Simplify right side
    11,127,614.60x = 143,631,024,101,536.38
  5. Step 5: Solve for x
    x = 143,631,024,101,536.38/11,127,614.60
  6. Step 6: Final answer
    x = 12,907,620.30

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1.5x scale

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.