Home / 10,457,961.70-15,686,942.55-4,789,257.70

Finding the Fourth Proportional to 10,457,961.70, 15,686,942.55 and 4,789,257.70

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Solution

The fourth proportional to 10,457,961.70, 15,686,942.55 and 4,789,257.70 is: 7,183,886.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,457,961.70 : 15,686,942.55 = 4,789,257.70 : x
  2. Step 2: Convert to fraction form
    10,457,961.70/15,686,942.55 = 4,789,257.70/x
  3. Step 3: Cross multiply
    10,457,961.70x = 15,686,942.55 × 4,789,257.70
  4. Step 4: Simplify right side
    10,457,961.70x = 75,128,810,397,045.14
  5. Step 5: Solve for x
    x = 75,128,810,397,045.14/10,457,961.70
  6. Step 6: Final answer
    x = 7,183,886.55

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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.