Home / 8,430,267.76-11,634,051.22-5,166,451.83

Finding the Fourth Proportional to 8,430,267.76, 11,634,051.22 and 5,166,451.83

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Solution

The fourth proportional to 8,430,267.76, 11,634,051.22 and 5,166,451.83 is: 7,129,876.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,430,267.76 : 11,634,051.22 = 5,166,451.83 : x
  2. Step 2: Convert to fraction form
    8,430,267.76/11,634,051.22 = 5,166,451.83/x
  3. Step 3: Cross multiply
    8,430,267.76x = 11,634,051.22 × 5,166,451.83
  4. Step 4: Simplify right side
    8,430,267.76x = 60,106,765,215,882.73
  5. Step 5: Solve for x
    x = 60,106,765,215,882.73/8,430,267.76
  6. Step 6: Final answer
    x = 7,129,876.17

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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.