Home / 38,836,181.41-58,263,756.68-12,928,432.66

Finding the Fourth Proportional to 38,836,181.41, 58,263,756.68 and 12,928,432.66

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Solution

The fourth proportional to 38,836,181.41, 58,263,756.68 and 12,928,432.66 is: 19,395,806.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,836,181.41 : 58,263,756.68 = 12,928,432.66 : x
  2. Step 2: Convert to fraction form
    38,836,181.41/58,263,756.68 = 12,928,432.66/x
  3. Step 3: Cross multiply
    38,836,181.41x = 58,263,756.68 × 12,928,432.66
  4. Step 4: Simplify right side
    38,836,181.41x = 753,259,054,756,005.12
  5. Step 5: Solve for x
    x = 753,259,054,756,005.12/38,836,181.41
  6. Step 6: Final answer
    x = 19,395,806.37

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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.