Home / 14,619,639.09-20,168,768.73-8,815,196.22

Finding the Fourth Proportional to 14,619,639.09, 20,168,768.73 and 8,815,196.22

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Solution

The fourth proportional to 14,619,639.09, 20,168,768.73 and 8,815,196.22 is: 12,161,152.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,619,639.09 : 20,168,768.73 = 8,815,196.22 : x
  2. Step 2: Convert to fraction form
    14,619,639.09/20,168,768.73 = 8,815,196.22/x
  3. Step 3: Cross multiply
    14,619,639.09x = 20,168,768.73 × 8,815,196.22
  4. Step 4: Simplify right side
    14,619,639.09x = 177,791,653,870,750.22
  5. Step 5: Solve for x
    x = 177,791,653,870,750.22/14,619,639.09
  6. Step 6: Final answer
    x = 12,161,152.05

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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.