Home / 12,556,057.40-18,834,086.10-6,170,406.20

Finding the Fourth Proportional to 12,556,057.40, 18,834,086.10 and 6,170,406.20

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Solution

The fourth proportional to 12,556,057.40, 18,834,086.10 and 6,170,406.20 is: 9,255,609.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,556,057.40 : 18,834,086.10 = 6,170,406.20 : x
  2. Step 2: Convert to fraction form
    12,556,057.40/18,834,086.10 = 6,170,406.20/x
  3. Step 3: Cross multiply
    12,556,057.40x = 18,834,086.10 × 6,170,406.20
  4. Step 4: Simplify right side
    12,556,057.40x = 116,213,961,642,773.83
  5. Step 5: Solve for x
    x = 116,213,961,642,773.83/12,556,057.40
  6. Step 6: Final answer
    x = 9,255,609.30

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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.