Home / 7,199,701.92-9,935,589.51-3,936,518.91

Finding the Fourth Proportional to 7,199,701.92, 9,935,589.51 and 3,936,518.91

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Solution

The fourth proportional to 7,199,701.92, 9,935,589.51 and 3,936,518.91 is: 5,432,396.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,199,701.92 : 9,935,589.51 = 3,936,518.91 : x
  2. Step 2: Convert to fraction form
    7,199,701.92/9,935,589.51 = 3,936,518.91/x
  3. Step 3: Cross multiply
    7,199,701.92x = 9,935,589.51 × 3,936,518.91
  4. Step 4: Simplify right side
    7,199,701.92x = 39,111,635,988,112.63
  5. Step 5: Solve for x
    x = 39,111,635,988,112.63/7,199,701.92
  6. Step 6: Final answer
    x = 5,432,396.57

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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.