Home / 6,814,128.84-9,403,479.72-3,913,707.60

Finding the Fourth Proportional to 6,814,128.84, 9,403,479.72 and 3,913,707.60

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Solution

The fourth proportional to 6,814,128.84, 9,403,479.72 and 3,913,707.60 is: 5,400,906.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,814,128.84 : 9,403,479.72 = 3,913,707.60 : x
  2. Step 2: Convert to fraction form
    6,814,128.84/9,403,479.72 = 3,913,707.60/x
  3. Step 3: Cross multiply
    6,814,128.84x = 9,403,479.72 × 3,913,707.60
  4. Step 4: Simplify right side
    6,814,128.84x = 36,802,470,046,609.88
  5. Step 5: Solve for x
    x = 36,802,470,046,609.88/6,814,128.84
  6. Step 6: Final answer
    x = 5,400,906.10

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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.