Home / 19,318,829.30-28,996,906.35-11,760,557.30

Finding the Fourth Proportional to 19,318,829.30, 28,996,906.35 and 11,760,557.30

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Solution

The fourth proportional to 19,318,829.30, 28,996,906.35 and 11,760,557.30 is: 17,652,196.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,318,829.30 : 28,996,906.35 = 11,760,557.30 : x
  2. Step 2: Convert to fraction form
    19,318,829.30/28,996,906.35 = 11,760,557.30/x
  3. Step 3: Cross multiply
    19,318,829.30x = 28,996,906.35 × 11,760,557.30
  4. Step 4: Simplify right side
    19,318,829.30x = 341,019,778,651,908.88
  5. Step 5: Solve for x
    x = 341,019,778,651,908.88/19,318,829.30
  6. Step 6: Final answer
    x = 17,652,196.90

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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.