Home / 9,117,703.72-13,654,638.25-5,215,333.52

Finding the Fourth Proportional to 9,117,703.72, 13,654,638.25 and 5,215,333.52

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Solution

The fourth proportional to 9,117,703.72, 13,654,638.25 and 5,215,333.52 is: 7,810,463.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,117,703.72 : 13,654,638.25 = 5,215,333.52 : x
  2. Step 2: Convert to fraction form
    9,117,703.72/13,654,638.25 = 5,215,333.52/x
  3. Step 3: Cross multiply
    9,117,703.72x = 13,654,638.25 × 5,215,333.52
  4. Step 4: Simplify right side
    9,117,703.72x = 71,213,492,568,699.14
  5. Step 5: Solve for x
    x = 71,213,492,568,699.14/9,117,703.72
  6. Step 6: Final answer
    x = 7,810,463.55

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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.