Home / 18,852,583.32-28,239,639.66-11,995,188.12

Finding the Fourth Proportional to 18,852,583.32, 28,239,639.66 and 11,995,188.12

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Solution

The fourth proportional to 18,852,583.32, 28,239,639.66 and 11,995,188.12 is: 17,967,818.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,852,583.32 : 28,239,639.66 = 11,995,188.12 : x
  2. Step 2: Convert to fraction form
    18,852,583.32/28,239,639.66 = 11,995,188.12/x
  3. Step 3: Cross multiply
    18,852,583.32x = 28,239,639.66 × 11,995,188.12
  4. Step 4: Simplify right side
    18,852,583.32x = 338,739,790,162,712.81
  5. Step 5: Solve for x
    x = 338,739,790,162,712.81/18,852,583.32
  6. Step 6: Final answer
    x = 17,967,818.22

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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.