Home / 8,430,265.76-11,634,048.45-5,166,449.83

Finding the Fourth Proportional to 8,430,265.76, 11,634,048.45 and 5,166,449.83

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Solution

The fourth proportional to 8,430,265.76, 11,634,048.45 and 5,166,449.83 is: 7,129,873.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,430,265.76 : 11,634,048.45 = 5,166,449.83 : x
  2. Step 2: Convert to fraction form
    8,430,265.76/11,634,048.45 = 5,166,449.83/x
  3. Step 3: Cross multiply
    8,430,265.76x = 11,634,048.45 × 5,166,449.83
  4. Step 4: Simplify right side
    8,430,265.76x = 60,106,727,665,790.04
  5. Step 5: Solve for x
    x = 60,106,727,665,790.04/8,430,265.76
  6. Step 6: Final answer
    x = 7,129,873.41

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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.