Home / 8,538,333.93-12,807,687.39-3,423,172.68

Finding the Fourth Proportional to 8,538,333.93, 12,807,687.39 and 3,423,172.68

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Solution

The fourth proportional to 8,538,333.93, 12,807,687.39 and 3,423,172.68 is: 5,134,833.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,538,333.93 : 12,807,687.39 = 3,423,172.68 : x
  2. Step 2: Convert to fraction form
    8,538,333.93/12,807,687.39 = 3,423,172.68/x
  3. Step 3: Cross multiply
    8,538,333.93x = 12,807,687.39 × 3,423,172.68
  4. Step 4: Simplify right side
    8,538,333.93x = 43,842,925,567,428.51
  5. Step 5: Solve for x
    x = 43,842,925,567,428.51/8,538,333.93
  6. Step 6: Final answer
    x = 5,134,833.79

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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.