Home / 8,556,116.35-12,846,996.05-7,406,907.60

Finding the Fourth Proportional to 8,556,116.35, 12,846,996.05 and 7,406,907.60

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Solution

The fourth proportional to 8,556,116.35, 12,846,996.05 and 7,406,907.60 is: 11,121,460.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,556,116.35 : 12,846,996.05 = 7,406,907.60 : x
  2. Step 2: Convert to fraction form
    8,556,116.35/12,846,996.05 = 7,406,907.60/x
  3. Step 3: Cross multiply
    8,556,116.35x = 12,846,996.05 × 7,406,907.60
  4. Step 4: Simplify right side
    8,556,116.35x = 95,156,512,642,880.44
  5. Step 5: Solve for x
    x = 95,156,512,642,880.44/8,556,116.35
  6. Step 6: Final answer
    x = 11,121,460.81

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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.