Home / 12,756,576.32-19,143,830.96-11,536,919.04

Finding the Fourth Proportional to 12,756,576.32, 19,143,830.96 and 11,536,919.04

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Solution

The fourth proportional to 12,756,576.32, 19,143,830.96 and 11,536,919.04 is: 17,313,487.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,756,576.32 : 19,143,830.96 = 11,536,919.04 : x
  2. Step 2: Convert to fraction form
    12,756,576.32/19,143,830.96 = 11,536,919.04/x
  3. Step 3: Cross multiply
    12,756,576.32x = 19,143,830.96 × 11,536,919.04
  4. Step 4: Simplify right side
    12,756,576.32x = 220,860,827,900,965.47
  5. Step 5: Solve for x
    x = 220,860,827,900,965.47/12,756,576.32
  6. Step 6: Final answer
    x = 17,313,487.75

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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.