Home / 13,105,936.20-19,658,904.30-11,735,999.40

Finding the Fourth Proportional to 13,105,936.20, 19,658,904.30 and 11,735,999.40

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Solution

The fourth proportional to 13,105,936.20, 19,658,904.30 and 11,735,999.40 is: 17,603,999.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,105,936.20 : 19,658,904.30 = 11,735,999.40 : x
  2. Step 2: Convert to fraction form
    13,105,936.20/19,658,904.30 = 11,735,999.40/x
  3. Step 3: Cross multiply
    13,105,936.20x = 19,658,904.30 × 11,735,999.40
  4. Step 4: Simplify right side
    13,105,936.20x = 230,716,889,069,457.44
  5. Step 5: Solve for x
    x = 230,716,889,069,457.44/13,105,936.20
  6. Step 6: Final answer
    x = 17,603,999.10

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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.