Home / 13,801,817.76-19,045,731.20-7,606,845.62

Finding the Fourth Proportional to 13,801,817.76, 19,045,731.20 and 7,606,845.62

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Solution

The fourth proportional to 13,801,817.76, 19,045,731.20 and 7,606,845.62 is: 10,497,018.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,801,817.76 : 19,045,731.20 = 7,606,845.62 : x
  2. Step 2: Convert to fraction form
    13,801,817.76/19,045,731.20 = 7,606,845.62/x
  3. Step 3: Cross multiply
    13,801,817.76x = 19,045,731.20 × 7,606,845.62
  4. Step 4: Simplify right side
    13,801,817.76x = 144,877,936,958,417.34
  5. Step 5: Solve for x
    x = 144,877,936,958,417.34/13,801,817.76
  6. Step 6: Final answer
    x = 10,497,018.54

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.