Home / 9,320,759.17-13,981,636.95-2,931,509.68

Finding the Fourth Proportional to 9,320,759.17, 13,981,636.95 and 2,931,509.68

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Solution

The fourth proportional to 9,320,759.17, 13,981,636.95 and 2,931,509.68 is: 4,397,421.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,320,759.17 : 13,981,636.95 = 2,931,509.68 : x
  2. Step 2: Convert to fraction form
    9,320,759.17/13,981,636.95 = 2,931,509.68/x
  3. Step 3: Cross multiply
    9,320,759.17x = 13,981,636.95 × 2,931,509.68
  4. Step 4: Simplify right side
    9,320,759.17x = 40,987,304,061,170.68
  5. Step 5: Solve for x
    x = 40,987,304,061,170.68/9,320,759.17
  6. Step 6: Final answer
    x = 4,397,421.21

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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.