Home / 12,311,666.72-18,468,428.32-3,675,084.96

Finding the Fourth Proportional to 12,311,666.72, 18,468,428.32 and 3,675,084.96

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Solution

The fourth proportional to 12,311,666.72, 18,468,428.32 and 3,675,084.96 is: 5,512,904.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,311,666.72 : 18,468,428.32 = 3,675,084.96 : x
  2. Step 2: Convert to fraction form
    12,311,666.72/18,468,428.32 = 3,675,084.96/x
  3. Step 3: Cross multiply
    12,311,666.72x = 18,468,428.32 × 3,675,084.96
  4. Step 4: Simplify right side
    12,311,666.72x = 67,873,043,153,670.07
  5. Step 5: Solve for x
    x = 67,873,043,153,670.07/12,311,666.72
  6. Step 6: Final answer
    x = 5,512,904.52

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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.