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Finding the Fourth Proportional to 11,754,627.10, 17,605,368.60 and 6,971,658.10

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Solution

The fourth proportional to 11,754,627.10, 17,605,368.60 and 6,971,658.10 is: 10,441,727.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,754,627.10 : 17,605,368.60 = 6,971,658.10 : x
  2. Step 2: Convert to fraction form
    11,754,627.10/17,605,368.60 = 6,971,658.10/x
  3. Step 3: Cross multiply
    11,754,627.10x = 17,605,368.60 × 6,971,658.10
  4. Step 4: Simplify right side
    11,754,627.10x = 122,738,610,603,675.66
  5. Step 5: Solve for x
    x = 122,738,610,603,675.66/11,754,627.10
  6. Step 6: Final answer
    x = 10,441,727.29

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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.