Home / 8,323,829.51-12,485,760.32-3,208,668.20

Finding the Fourth Proportional to 8,323,829.51, 12,485,760.32 and 3,208,668.20

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Solution

The fourth proportional to 8,323,829.51, 12,485,760.32 and 3,208,668.20 is: 4,813,008.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,323,829.51 : 12,485,760.32 = 3,208,668.20 : x
  2. Step 2: Convert to fraction form
    8,323,829.51/12,485,760.32 = 3,208,668.20/x
  3. Step 3: Cross multiply
    8,323,829.51x = 12,485,760.32 × 3,208,668.20
  4. Step 4: Simplify right side
    8,323,829.51x = 40,062,662,091,605.83
  5. Step 5: Solve for x
    x = 40,062,662,091,605.83/8,323,829.51
  6. Step 6: Final answer
    x = 4,813,008.49

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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.