Home / 8,778,189.06-12,113,918.82-4,910,774.94

Finding the Fourth Proportional to 8,778,189.06, 12,113,918.82 and 4,910,774.94

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Solution

The fourth proportional to 8,778,189.06, 12,113,918.82 and 4,910,774.94 is: 6,776,879.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,778,189.06 : 12,113,918.82 = 4,910,774.94 : x
  2. Step 2: Convert to fraction form
    8,778,189.06/12,113,918.82 = 4,910,774.94/x
  3. Step 3: Cross multiply
    8,778,189.06x = 12,113,918.82 × 4,910,774.94
  4. Step 4: Simplify right side
    8,778,189.06x = 59,488,728,966,450.38
  5. Step 5: Solve for x
    x = 59,488,728,966,450.38/8,778,189.06
  6. Step 6: Final answer
    x = 6,776,879.44

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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.