Home / 21,225,958.70-31,845,184.78-6,848,756.78

Finding the Fourth Proportional to 21,225,958.70, 31,845,184.78 and 6,848,756.78

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Solution

The fourth proportional to 21,225,958.70, 31,845,184.78 and 6,848,756.78 is: 10,275,150.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,225,958.70 : 31,845,184.78 = 6,848,756.78 : x
  2. Step 2: Convert to fraction form
    21,225,958.70/31,845,184.78 = 6,848,756.78/x
  3. Step 3: Cross multiply
    21,225,958.70x = 31,845,184.78 × 6,848,756.78
  4. Step 4: Simplify right side
    21,225,958.70x = 218,099,925,172,377.81
  5. Step 5: Solve for x
    x = 218,099,925,172,377.81/21,225,958.70
  6. Step 6: Final answer
    x = 10,275,150.74

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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.