Home / 13,515,674.72-20,270,780.76-4,879,513.04

Finding the Fourth Proportional to 13,515,674.72, 20,270,780.76 and 4,879,513.04

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Solution

The fourth proportional to 13,515,674.72, 20,270,780.76 and 4,879,513.04 is: 7,318,283.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,515,674.72 : 20,270,780.76 = 4,879,513.04 : x
  2. Step 2: Convert to fraction form
    13,515,674.72/20,270,780.76 = 4,879,513.04/x
  3. Step 3: Cross multiply
    13,515,674.72x = 20,270,780.76 × 4,879,513.04
  4. Step 4: Simplify right side
    13,515,674.72x = 98,911,539,049,401.12
  5. Step 5: Solve for x
    x = 98,911,539,049,401.12/13,515,674.72
  6. Step 6: Final answer
    x = 7,318,283.48

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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.