Home / 8,790,781.77-12,124,609.56-7,701,162.33

Finding the Fourth Proportional to 8,790,781.77, 12,124,609.56 and 7,701,162.33

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Solution

The fourth proportional to 8,790,781.77, 12,124,609.56 and 7,701,162.33 is: 10,621,761.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,790,781.77 : 12,124,609.56 = 7,701,162.33 : x
  2. Step 2: Convert to fraction form
    8,790,781.77/12,124,609.56 = 7,701,162.33/x
  3. Step 3: Cross multiply
    8,790,781.77x = 12,124,609.56 × 7,701,162.33
  4. Step 4: Simplify right side
    8,790,781.77x = 93,373,586,409,429.88
  5. Step 5: Solve for x
    x = 93,373,586,409,429.88/8,790,781.77
  6. Step 6: Final answer
    x = 10,621,761.39

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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.