Home / 19,731,189.72-29,578,847.22-7,592,912.76

Finding the Fourth Proportional to 19,731,189.72, 29,578,847.22 and 7,592,912.76

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Solution

The fourth proportional to 19,731,189.72, 29,578,847.22 and 7,592,912.76 is: 11,382,466.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,731,189.72 : 29,578,847.22 = 7,592,912.76 : x
  2. Step 2: Convert to fraction form
    19,731,189.72/29,578,847.22 = 7,592,912.76/x
  3. Step 3: Cross multiply
    19,731,189.72x = 29,578,847.22 × 7,592,912.76
  4. Step 4: Simplify right side
    19,731,189.72x = 224,589,606,482,828.50
  5. Step 5: Solve for x
    x = 224,589,606,482,828.50/19,731,189.72
  6. Step 6: Final answer
    x = 11,382,466.52

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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.