Home / 12,756,556.32-19,143,800.88-11,536,899.08

Finding the Fourth Proportional to 12,756,556.32, 19,143,800.88 and 11,536,899.08

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Solution

The fourth proportional to 12,756,556.32, 19,143,800.88 and 11,536,899.08 is: 17,313,457.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,756,556.32 : 19,143,800.88 = 11,536,899.08 : x
  2. Step 2: Convert to fraction form
    12,756,556.32/19,143,800.88 = 11,536,899.08/x
  3. Step 3: Cross multiply
    12,756,556.32x = 19,143,800.88 × 11,536,899.08
  4. Step 4: Simplify right side
    12,756,556.32x = 220,860,098,760,175.19
  5. Step 5: Solve for x
    x = 220,860,098,760,175.19/12,756,556.32
  6. Step 6: Final answer
    x = 17,313,457.74

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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.