Home / 12,103,619.70-18,134,434.35-7,841,594.10

Finding the Fourth Proportional to 12,103,619.70, 18,134,434.35 and 7,841,594.10

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Solution

The fourth proportional to 12,103,619.70, 18,134,434.35 and 7,841,594.10 is: 11,748,788.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,103,619.70 : 18,134,434.35 = 7,841,594.10 : x
  2. Step 2: Convert to fraction form
    12,103,619.70/18,134,434.35 = 7,841,594.10/x
  3. Step 3: Cross multiply
    12,103,619.70x = 18,134,434.35 × 7,841,594.10
  4. Step 4: Simplify right side
    12,103,619.70x = 142,202,873,405,797.34
  5. Step 5: Solve for x
    x = 142,202,873,405,797.34/12,103,619.70
  6. Step 6: Final answer
    x = 11,748,788.95

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.