Home / 15,072,846.53-20,805,211.26-11,980,856.21

Finding the Fourth Proportional to 15,072,846.53, 20,805,211.26 and 11,980,856.21

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Solution

The fourth proportional to 15,072,846.53, 20,805,211.26 and 11,980,856.21 is: 16,537,303.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,072,846.53 : 20,805,211.26 = 11,980,856.21 : x
  2. Step 2: Convert to fraction form
    15,072,846.53/20,805,211.26 = 11,980,856.21/x
  3. Step 3: Cross multiply
    15,072,846.53x = 20,805,211.26 × 11,980,856.21
  4. Step 4: Simplify right side
    15,072,846.53x = 249,264,244,420,706.88
  5. Step 5: Solve for x
    x = 249,264,244,420,706.88/15,072,846.53
  6. Step 6: Final answer
    x = 16,537,303.95

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.