Home / 10,777,742.20-16,166,613.30-7,376,519.80

Finding the Fourth Proportional to 10,777,742.20, 16,166,613.30 and 7,376,519.80

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Solution

The fourth proportional to 10,777,742.20, 16,166,613.30 and 7,376,519.80 is: 11,064,779.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,777,742.20 : 16,166,613.30 = 7,376,519.80 : x
  2. Step 2: Convert to fraction form
    10,777,742.20/16,166,613.30 = 7,376,519.80/x
  3. Step 3: Cross multiply
    10,777,742.20x = 16,166,613.30 × 7,376,519.80
  4. Step 4: Simplify right side
    10,777,742.20x = 119,253,343,106,393.34
  5. Step 5: Solve for x
    x = 119,253,343,106,393.34/10,777,742.20
  6. Step 6: Final answer
    x = 11,064,779.70

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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.