Home / 13,801,491.28-19,046,135.88-8,003,715.28

Finding the Fourth Proportional to 13,801,491.28, 19,046,135.88 and 8,003,715.28

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Solution

The fourth proportional to 13,801,491.28, 19,046,135.88 and 8,003,715.28 is: 11,045,172.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,801,491.28 : 19,046,135.88 = 8,003,715.28 : x
  2. Step 2: Convert to fraction form
    13,801,491.28/19,046,135.88 = 8,003,715.28/x
  3. Step 3: Cross multiply
    13,801,491.28x = 19,046,135.88 × 8,003,715.28
  4. Step 4: Simplify right side
    13,801,491.28x = 152,439,848,767,712.25
  5. Step 5: Solve for x
    x = 152,439,848,767,712.25/13,801,491.28
  6. Step 6: Final answer
    x = 11,045,172.27

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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.