Home / 7,077,792.27-9,767,260.14-3,980,314.68

Finding the Fourth Proportional to 7,077,792.27, 9,767,260.14 and 3,980,314.68

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Solution

The fourth proportional to 7,077,792.27, 9,767,260.14 and 3,980,314.68 is: 5,492,781.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,077,792.27 : 9,767,260.14 = 3,980,314.68 : x
  2. Step 2: Convert to fraction form
    7,077,792.27/9,767,260.14 = 3,980,314.68/x
  3. Step 3: Cross multiply
    7,077,792.27x = 9,767,260.14 × 3,980,314.68
  4. Step 4: Simplify right side
    7,077,792.27x = 38,876,768,918,620.86
  5. Step 5: Solve for x
    x = 38,876,768,918,620.86/7,077,792.27
  6. Step 6: Final answer
    x = 5,492,781.85

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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.