Home / 12,241,812.15-18,346,971.83-7,444,408.95

Finding the Fourth Proportional to 12,241,812.15, 18,346,971.83 and 7,444,408.95

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Solution

The fourth proportional to 12,241,812.15, 18,346,971.83 and 7,444,408.95 is: 11,157,037.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,241,812.15 : 18,346,971.83 = 7,444,408.95 : x
  2. Step 2: Convert to fraction form
    12,241,812.15/18,346,971.83 = 7,444,408.95/x
  3. Step 3: Cross multiply
    12,241,812.15x = 18,346,971.83 × 7,444,408.95
  4. Step 4: Simplify right side
    12,241,812.15x = 136,582,361,259,427.83
  5. Step 5: Solve for x
    x = 136,582,361,259,427.83/12,241,812.15
  6. Step 6: Final answer
    x = 11,157,037.83

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Why These Related Problems?

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