Home / 13,029,775.41-17,973,619.52-8,126,484.83

Finding the Fourth Proportional to 13,029,775.41, 17,973,619.52 and 8,126,484.83

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Solution

The fourth proportional to 13,029,775.41, 17,973,619.52 and 8,126,484.83 is: 11,209,889.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,029,775.41 : 17,973,619.52 = 8,126,484.83 : x
  2. Step 2: Convert to fraction form
    13,029,775.41/17,973,619.52 = 8,126,484.83/x
  3. Step 3: Cross multiply
    13,029,775.41x = 17,973,619.52 × 8,126,484.83
  4. Step 4: Simplify right side
    13,029,775.41x = 146,062,346,369,471.88
  5. Step 5: Solve for x
    x = 146,062,346,369,471.88/13,029,775.41
  6. Step 6: Final answer
    x = 11,209,889.79

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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.